Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tung » thanh tung, manh tung, hanh dung
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu xanh - ((hanh tung) or (hanh trang)) va nhung cong san ((tran van) OR (luan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu xanh - ((hanh tung) OR (hanh trang)) va nhung cong san ((tran van) OR (luan van)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu xanh - ((hanh tung) or (hanh trang)) va nhung cong san ((tran van) OR (luan van))".
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - ((hanh tung) or (hanh trang)) va nhung cong san ((tran van) OR (luan van))*.