Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lam chat » luan chat, cao chat, ly chat
lam cua » nam cua
xuc ban » duc ban, cuc ban, quoc ban
te sach » toc sach
va nang » van nang, da nang, cam nang
hieu va » lieu va, hieu qua
va bac » van bac, va cac, va bai
v nang » vu nang, van nang, voi nang

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 (va nang)) xa hoi. hieu va bac xuc ban thanh ((lam cua) or (lam chat)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (va nang)) xa hoi. hieu va bac xuc ban thanh ((lam cua) OR (lam chat)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((v nang) OR (va nang)) xa hoi. hieu va bac xuc ban thanh ((lam cua) or (lam chat)) triet*".