Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
va thanh » gia thanh, ban thanh, va tinh
thanh du » thanh de, thanh do, thanh tu
so sanh » do sanh
sanh tu » anh tu, danh tu, hanh tu
xang xa » mang xa, ang xa, dang xay
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
du cua » duy cua, dau cua, dum cua
cua tu » cua tuc, cua su, cua cu

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 tu ((xang xa) or (lang xa)) hoi. hieu ve cac nuoc va thanh du cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh tu ((xang xa) OR (lang xa)) hoi. hieu ve cac nuoc va thanh du cua tu.
• Adding a wildcard symbol may retrieve word variants: so sanh tu ((xang xa) or (lang xa)) hoi. hieu ve cac nuoc va thanh du cua tu*.