Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau trung » cau truong, cac trung, cao trung
trung va » truong va, trang va, trung ha
thanh vi » hanh vi, thanh ve, nhanh vi
thanh va » thanh van, hanh va, thanh ha
hieu ve » hieu van
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
bach » sach, cach, bac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ly nang xa hoi. ((hieu ve) or (hieu va)) cau trung va ((thanh vi) OR (thanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ly nang xa hoi. ((hieu ve) OR (hieu va)) cau trung va ((thanh vi) OR (thanh va)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ly nang xa hoi. ((hieu ve) or (hieu va)) cau trung va ((thanh vi) OR (thanh va)) cua triet*".