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
ve triet » va trien, su triet
hieu va » lieu va, hieu qua
va nang » van nang, da nang, cam nang
va cham » va chat, va tham
hoc anh » hoc nganh, hoc nhanh, ngoc anh
xuc ban » duc ban, cuc ban, quoc ban
v nang » vu nang, van nang, voi nang
vi ve » va ve, gi ve, ve 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)) ((v nang) OR (va nang)) xa hoi. hieu va cham xuc ban hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc anh)) ((v nang) OR (va nang)) xa hoi. hieu va cham xuc ban hanh vi ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (hoc anh)) ((v nang) OR (va nang)) xa hoi. hieu va cham xuc ban hanh vi ve triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc anh)) ((v nang) OR (va nang)) xa hoi. hieu va cham xuc ban hanh vi ve triet*.