Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh dung » thanh dung, anh dung, hanh dong
luan bang » luan nang, luan tang, tuan bang
ho chieu » theo chieu, hoc thieu, doi chieu
luan ban » luan van, luan san, luan han
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - hanh dung ((luan bang) OR (luan ban)) cong dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh dung ((luan bang) OR (luan ban)) cong dan than cao*".