Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hang vi » hang va, hanh vi, hang di
luc van » luoc van, luu van, duc van
xuc van » duc van, vuc van, xuc ban
cua tuc » cua duc, cua tu, cua thuoc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
sach v » sach va, sach 2, sach vay
vi cua » vai cua, di cua
ve cac » va cac, vien cac

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) or (sach y)) nang mai hoi. hieu ve cac ((xuc van) or (luc van)) hang vi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach v) OR (sach y)) nang mai hoi. hieu ve cac ((xuc van) OR (luc van)) hang vi cua tuc.
• Adding a wildcard symbol may retrieve word variants: te ((sach v) or (sach y)) nang mai hoi. hieu ve cac ((xuc van) or (luc van)) hang vi cua tuc*.