Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
tham xuc » tham nuoc, tham thuc, pham duc
thu sach » tu sach, thuat sach, thuoc sach
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va
vi va » vi van, vai va, vu va

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

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