Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
ban thanh » ban hanh, ban hang
nang dai » nang dau, nang tai, lang dai
su sach » so sach, vu sach
cac xuc » cac nuoc, chat xuc, cac cuoc
sach tu » sach thu, cach tu, sach ty
dai hoi » dai hoc, dai hai, dai moi
tu nang » tru nang, tu nong, tu nano
vai cua » dai cua, hai cua, lai cua
vi cua » di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tu nang dai hoi. hieu hien ((cac xuc) or (cam xuc)) ban thanh ((vi cua) or (vai cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu nang dai hoi. hieu hien ((cac xuc) OR (cam xuc)) ban thanh ((vi cua) OR (vai cua)) vat.
• Adding a wildcard symbol may retrieve word variants: su sach tu nang dai hoi. hieu hien ((cac xuc) or (cam xuc)) ban thanh ((vi cua) or (vai cua)) vat*.