Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
hieu van » thien van, lieu va, hieu ve
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
lam dua » lam cua, lam duoc, lam dung
dua ban » dia ban, cua ban, qua ban
van cua » vang cua, ban cua, dan cua

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 ty nang xa hoi. ((hieu van) or (hieu va)) lam dua ban thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. ((hieu van) OR (hieu va)) lam dua ban thanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. ((hieu van) or (hieu va)) lam dua ban thanh van cua triet*.