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 duc » lam duoc, pham duc, nam duoc
duc ban » duc tan, duc van, dua 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 duc ban thanh van cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. ((hieu van) OR (hieu va)) lam duc 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 duc ban thanh van cua triet*.