Perhaps you should try some spelling variations:
phan thuc » nhan thuc, phap thuc, pham thuc
hieu van » hieu va, thien van, lieu va
van phan » van phong, van thanh, luan phan
hanh dai » hanh tai, hanh dao, vanh dai
so hanh » so danh, co hanh, do hanh
so sanh » do sanh
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
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 hanh) OR (so sanh)) cam nang x hoi. hieu van phan thuc va hanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so hanh) OR (so sanh)) cam nang x hoi. hieu van phan thuc va hanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((so hanh) OR (so sanh)) cam nang x hoi. hieu van phan thuc va hanh dai cua tre*.