Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach thuat » sach tham, dich thuat, cac thuat
thuat nang » thuat bang, thuat mang, thuat trang
hanh lai » hanh lam, hanh tai, thanh lap
chau tre » chay tren, chau tho, cho tre
nang xa » nang x, lang xa, nang ma
hieu va » lieu va
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
tuc va » thuc va, truc va, tuc xa

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

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