Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
te sach » toc sach
dinh vi » dinh ve, dinh viet, dinh tri
va dinh » van dinh, va kinh, va tinh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
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 ky ((sang tao) or (hang tai)) hoi. ((hieu ve) or (hieu qua)) cam luc va dinh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((sang tao) OR (hang tai)) hoi. ((hieu ve) OR (hieu qua)) cam luc va dinh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((sang tao) or (hang tai)) hoi. ((hieu ve) or (hieu qua)) cam luc va dinh vi cua vat*.