Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
hoc hiem » hoc hien, hoc thiet, hoc nhiet
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hiem) OR (hoc thieu)) ngan - hanh tran van nhung cong dan toan cao~".
• Adding a wildcard symbol may retrieve word variants: ((hoc hiem) OR (hoc thieu)) ngan - hanh tran van nhung cong dan toan cao*.