Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » hieu qua
vi cua » vai cua, di cua
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) OR (nhan luc)) van hanh vi 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) OR (nhan luc)) van hanh vi 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) OR (nhan luc)) van hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. ((hieu va) or (lieu va)) ((cham luc) OR (nhan luc)) van hanh vi cua triet*.