Perhaps you should try some spelling variations:
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
su sach » so sach, vu sach
tu sach » thu sach, te sach, tu cach
vi ve » va ve, gi ve, ve ve

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: ((tu sach) OR (su sach)) ty nang xa hoi. hieu van cam xuc ((van hanh) OR (gia thanh)) vi ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ty nang xa hoi. hieu van cam xuc ((van hanh) or (gia thanh)) vi ve triet~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ty nang xa hoi. hieu van cam xuc ((van hanh) or (gia thanh)) vi ve triet*.