Perhaps you should try some spelling variations:
te sach » toc sach
hanh de » hanh ve, hanh kem
luc van » luoc van, luu van, duc van
xuc van » duc van, vuc van, xuc ban
hieu va » lieu va, hieu qua
vu nang » vuc nang, va nang, vu dang
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
v nang » va nang, van nang, voi nang
de cua » le cua, te cua, dieu cua
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) or (vu nang)) ma hoi. hieu va cam ((xuc van) or (luc van)) hanh de cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (vu nang)) ma hoi. hieu va cam ((xuc van) OR (luc van)) hanh de cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (vu nang)) ma hoi. hieu va cam ((xuc van) or (luc van)) hanh de cua tu*.