Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
va nang » van nang, da nang, cam nang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hoc anh » hoc nganh, hoc nhanh, ngoc anh
xuc ban » duc ban, cuc ban, quoc ban
va cham » va chat, va tham
vi ve » va ve, gi ve, vi he
ve ve » de ve, va ve, ke ve

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (hoc anh)) va nang xa hoi. hieu va cham xuc ban hanh ((vi ve) OR (ve ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc anh)) va nang xa hoi. hieu va cham xuc ban hanh ((vi ve) OR (ve ve)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (hoc anh)) va nang xa hoi. hieu va cham xuc ban hanh ((vi ve) OR (ve ve)) triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc anh)) va nang xa hoi. hieu va cham xuc ban hanh ((vi ve) OR (ve ve)) triet*.