Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
vu khach » vu khac, vay khach, cua khach
vu khanh » vu thanh, van khanh, duy khanh
ty nang » ky nang, ty xang, ty hang
cao suc » cao su, cao duc
suc van » su van, duc van, luc van
hieu ve » hieu va, hieu van
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: ((vu khach) OR (vu khanh)) ty nang x hoi. ((hieu ve) or (lieu va)) cao suc van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (vu khanh)) ty nang x hoi. ((hieu ve) OR (lieu va)) cao suc van hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu khach) OR (vu khanh)) ty nang x hoi. ((hieu ve) or (lieu va)) cao suc van hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((vu khach) OR (vu khanh)) ty nang x hoi. ((hieu ve) or (lieu va)) cao suc van hanh vi cua triet*.