Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
ban nhanh » ban hanh, ban thanh, ban nhan
kho tang » cao tang
tang xa » trang xa, tang ma, lang xa
cua tre » cuu tre, cua triet, dua tren
sai kho » dai kho, tai khoa, dai khoa
dua ban » dia ban, cua ban, qua ban
su sai » su tai, su hai, su dai
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai
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: su sai kho tang xa hoi. hieu ((ve cam) or (va cam)) dua ban nhanh hai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai kho tang xa hoi. hieu ((ve cam) OR (va cam)) dua ban nhanh hai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sai kho tang xa hoi. hieu ((ve cam) or (va cam)) dua ban nhanh hai ((cua tre) or (cua te))*.