Perhaps you should try some spelling variations:
phan thuc » nhan thuc, phap thuc, pham thuc
cua triet » cua viet, su triet, va triet
canh may » canh tay, hanh may, mang may
may nang » may nong, ky nang, cam nang
day hanh » day nhanh, day thanh, dao hanh
da thanh » dao thanh, dat thanh, dam thanh
so canh » so sanh, bo canh, so danh
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 canh may nang x hoi. hieu ve phan thuc ((day hanh) or (da thanh)) dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so canh may nang x hoi. hieu ve phan thuc ((day hanh) OR (da thanh)) dai cua triet.
• Adding a wildcard symbol may retrieve word variants: so canh may nang x hoi. hieu ve phan thuc ((day hanh) or (da thanh)) dai cua triet*.