Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
phan thuc » nhan thuc, phap thuc, pham thuc
cua triet » cua viet, su triet, va triet
sanh may » hanh may, mang may, sang ma
may nang » may nong, ky nang, cam nang
day hanh » day nhanh, dao hanh, day manh
so sanh » do sanh
hieu ve » hieu va, hieu van
ve phan » va phan, ke phan, ve phat
x hoi » xa hoi, o hoi, x ho

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 may nang x hoi. hieu ve phan thuc ((day hanh) or (day thanh)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh may nang x hoi. hieu ve phan thuc ((day hanh) OR (day thanh)) dai cua triet.
• Adding a wildcard symbol may retrieve word variants: so sanh may nang x hoi. hieu ve phan thuc ((day hanh) or (day thanh)) dai cua triet*.