Perhaps you should try some spelling variations:
hanh lai » hanh tai, thanh lap, thanh loi
dua tren » dung tren
hieu van » hieu va, thien van, lieu va
hanh lam » thanh lap, hanh kem, hanh va
vu sach » vu bach, su sach, vu khach
sach tu » sach thu, cach tu, sach ty
cam duc » cam xuc, cao duc, pham duc
van cam » van nam, van lam, van cau
tu nang » tru nang, tu nong, tu nano
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach tu nang x hoi. hieu van cam duc va ((hanh lai) or (hanh lam)) ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tu nang x hoi. hieu van cam duc va ((hanh lai) OR (hanh lam)) ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu sach tu nang x hoi. hieu van cam duc va ((hanh lai) or (hanh lam)) ((dua tren) or (cua te))*.