Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
cao suc » cao su, cao duc
tai cua » thai cua, tai cuc, tri cua
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
cao tuc » dao tuc, cao duc, cao toc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano

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 tu nang xa hoi. hieu va ((cao tuc) or (cao suc)) ((van hanh) OR (ban hanh)) tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang xa hoi. hieu va ((cao tuc) OR (cao suc)) ((van hanh) OR (ban hanh)) tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang xa hoi. hieu va ((cao tuc) or (cao suc)) ((van hanh) OR (ban hanh)) tai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach tu nang xa hoi. hieu va ((cao tuc) or (cao suc)) ((van hanh) OR (ban hanh)) tai cua triet*.