Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
hieu va » lieu va, hieu qua
hanh de » hanh ve, hanh kem
hieu ve » hieu van
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
de cua » le cua, te cua, dieu cua
te sai » te bai, te lai, te hai
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 sai) OR (te tai)) ky nang x hoi. ((hieu ve) or (hieu va)) cam luc van hanh de cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (te tai)) ky nang x hoi. ((hieu ve) OR (hieu va)) cam luc van hanh de cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sai) OR (te tai)) ky nang x hoi. ((hieu ve) or (hieu va)) cam luc van hanh de cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sai) OR (te tai)) ky nang x hoi. ((hieu ve) or (hieu va)) cam luc van hanh de cua triet*.