Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
te sach » toc sach
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
ma hoi » mai hoi, xa hoi, ma hoa
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: ((te sach) or (so sach)) ky nang ma hoi. hieu va cac xuc ((ban thanh) or (van hanh)) vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sach)) ky nang ma hoi. hieu va cac xuc ((ban thanh) OR (van hanh)) vi va triet.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sach)) ky nang ma hoi. hieu va cac xuc ((ban thanh) or (van hanh)) vi va triet*.