Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh va » thanh van, hanh va, thanh ha
thanh vi » hanh vi, thanh ve, nhanh vi
cham luc » cham soc, nhan luc, cham cuu
sach ky » sac ky, sach y, sach ty
luc van » luoc van, luu van, duc van
hieu va » hieu qua
te sach » toc sach
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. ((hieu va) or (lieu va)) cham luc van ((thanh vi) OR (thanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. ((hieu va) OR (lieu va)) cham luc van ((thanh vi) OR (thanh va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. ((hieu va) or (lieu va)) cham luc van ((thanh vi) OR (thanh va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. ((hieu va) or (lieu va)) cham luc van ((thanh vi) OR (thanh va)) cua triet*.