Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trang » thanh trung, canh tranh, hanh trinh
luong cong » dung cong, trong cong, cong cong
hoc thieu » toc thieu, hoc hien
trang va » tran van, hang va
va luong » van luong, va tuong, va huong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
khan dam » thanh dam, chang dam, khanh nam
khan ap » khan cap, han ap

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 - hanh trang va luong cong san ((than cap) or (((khan ap) OR (khan dam))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh trang va luong cong san ((than cap) OR (((khan ap) OR (khan dam)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh trang va luong cong san ((than cap) or (((khan ap) OR (khan dam))))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh trang va luong cong san ((than cap) or (((khan ap) OR (khan dam))))*.