problem resolved, it was just a spelling mistake: mapps which i replaced by maps ;)
now, i still have another problem, i can find just by zip code, city and street, how should i make it workable by latitude and longitude?
i've tried to replace it by
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'build latitude part query
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If txtlatitude.Text <> String.Empty Then
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Lattitude = txtlatitude.Text.Replace(" ", "+")
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queryAdress.Append(Lattitude + "," & "+")
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End If
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'build longitude part query
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If txtlongitude.Text <> String.Empty Then
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Longitude = txtlongitude.Text.Replace(" ", "+")
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queryAdress.Append(Longitude + "," & "+")
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End If
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but it still do not find by geographical coordinates :'(