Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
danh hai » dang hai, lanh hai, manh hai
so sanh » do sanh
sanh ly » sinh ly, doanh ly, khanh ly
ly nang » ky nang, ly hang, ly vang
cao hoi » cau hoi, co hoi, cao hoc
van cam » van nam, van cau, van dam
van lam » van nam
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
hai cau » hai chau, hai chu, hai hau

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ly nang cao hoi. hieu ((van cam) or (van lam)) truc va danh hai cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly nang cao hoi. hieu ((van cam) OR (van lam)) truc va danh hai cau triet.
• Adding a wildcard symbol may retrieve word variants: so sanh ly nang cao hoi. hieu ((van cam) or (van lam)) truc va danh hai cau triet*.