Perhaps you should try some spelling variations:
thieu tinh » chieu tinh, thien tinh, lieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan 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 ((thieu tinh) or (trieu tinh)) - hanh trang cua dang cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (trieu tinh)) - hanh trang cua dang cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (trieu tinh)) - hanh trang cua dang cong tan van ban*.