Perhaps you should try some spelling variations:
hoc anh » hoc nganh, hoc nhanh, ngoc anh
cua tre » cuu tre, cua triet, dua tren
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cac, va cao
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang
cua te » cua tu
anh v » anh va, anh ve, canh v

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc anh v nang ma hoi. hieu va cam ((tuc va) or (luc va)) hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc anh v nang ma hoi. hieu va cam ((tuc va) OR (luc va)) hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: hoc anh v nang ma hoi. hieu va cam ((tuc va) or (luc va)) hanh vi ((cua tre) or (cua te))*.