Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh tai, thanh lap, thanh loi
hanh lam » thanh lap, hanh kem, hanh va
hoc sach » hoc sinh, hoc cac, hoc anh
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, dua tren
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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

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