Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
cua triet » cua viet, su triet, va triet
ly quang » le quang, vu quang
quang xa » quan xa, quang ma, quang va
vien cac » vien bach, vien dai, vien da
hanh dai » hanh tai, hanh dao, vanh dai
so sanh » do sanh
sanh ly » sinh ly, doanh ly, khanh ly
thuc va » thuc vat, thuc dan, thuc day

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 quang xa hoi. hieu vien cac ((thuc va) or (tu va)) hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly quang xa hoi. hieu vien cac ((thuc va) OR (tu va)) hanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: so sanh ly quang xa hoi. hieu vien cac ((thuc va) or (tu va)) hanh dai cua triet*.