Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh van » trinh van, thanh van, tranh ban
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 ((tranh van) OR (tran van)) nang ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((tranh van) OR (tran van)) nang ((cong dan) OR (cong tan)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((tranh van) OR (tran van)) nang ((cong dan) or (cong tan)) toan ban*".