Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cac thuc » cach thuc, cac thu, can thuc
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
te cach » te sach, tu cach, te cac
cao hoi » cau hoi, co hoi, cao hoc
tu nang » tru nang, tu nong, tu nano
ve cach » va cach, ve cac, ve canh
su viet » so viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cach) or (ve cach)) tu nang cao hoi. lieu va cac thuc va danh di ((cua triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cach) OR (ve cach)) tu nang cao hoi. lieu va cac thuc va danh di ((cua triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: ((te cach) or (ve cach)) tu nang cao hoi. lieu va cac thuc va danh di ((cua triet) or (su viet))*.