Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung kha » trung khoa, trung ha, truong khoa
trong san » trong cac, cong san, dong san
kha dung » khoa dung, khao dung, nha dung
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu nganh) or (chieu tinh)) - hanh trung kha dung trong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu tinh)) - hanh trung kha dung trong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu tinh)) - hanh trung kha dung trong san van ban*.