Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
thanh va » thanh van, hanh va, thanh ha
cao hoi » co hoi, cao hoc, tao hoi
thuc va » thuc vat, thuc dan, thuc day
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky nang ((cao hoi) OR (cau hoi)). thien van nam thuc va ((hanh kem) or (thanh va)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang ((cao hoi) OR (cau hoi)). thien van nam thuc va ((hanh kem) OR (thanh va)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang ((cao hoi) OR (cau hoi)). thien van nam thuc va ((hanh kem) or (thanh va)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang ((cao hoi) OR (cau hoi)). thien van nam thuc va ((hanh kem) or (thanh va)) cua triet*.