Perhaps you should try some spelling variations:
so sanh » do sanh
sanh ty » sach ty, canh tay
xang xa » lang xa, ang xa, dang xay
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
va tinh » may tinh
tinh du » tinh duc, tinh dau, tich du
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
du cua » duy cua, dau cua, dum cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty ((xang xa) or (mang xa)) hoi. hieu ve cac tuc va tinh du cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty ((xang xa) OR (mang xa)) hoi. hieu ve cac tuc va tinh du cua te.
• Adding a wildcard symbol may retrieve word variants: so sanh ty ((xang xa) or (mang xa)) hoi. hieu ve cac tuc va tinh du cua te*.