Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
sach v » sach va, sach y, sach 2
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
ma hoi » xa hoi, ma hoa, me hoi
v nang » va nang, vu nang, van nang
cua tu » cua tuc, cua su, cua cu

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 v nang ((ma hoi) or (mai hoi)). hieu va cam luc va hanh hai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang ((ma hoi) OR (mai hoi)). hieu va cam luc va hanh hai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach v nang ((ma hoi) or (mai hoi)). hieu va cam luc va hanh hai ((cua te) or (cua tu))*.