Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hang tai » hang va, dung tai
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
te sach » toc sach
sach ty » sach y, sach tu, sach thu
luc va » duc va, tuc va, loc va
vi cua » vai 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: te sach ty ((sang tao) or (hang tai)) hoi. ((hieu van) or (hieu qua)) cam luc va danh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((sang tao) OR (hang tai)) hoi. ((hieu van) OR (hieu qua)) cam luc va danh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: te sach ty ((sang tao) or (hang tai)) hoi. ((hieu van) or (hieu qua)) cam luc va danh vi cua vat*.