Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van hanh » van thanh, ban hanh, van anh
hieu va » lieu va, hieu qua
su sach » so sach
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, vu khach
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
ca dan » cac dan, ca dao
vi va » vi van, vai va, vu va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam tuc ((van hanh) OR (ca dan)) vi va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam tuc ((van hanh) or (ca dan)) vi va triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky nang xa hoi. hieu va cam tuc ((van hanh) or (ca dan)) vi va triet*.