Perhaps you should try some spelling variations:
chung hoang » khung hoang, phuong hoang, chung khoan
dung chung » dung cong, dung ung, dung trung
doc nhieu » doc hieu, hoc thieu, doi chieu
hanh tran » hanh trang, thanh tran, hanh tram
tran van » luan van
van dung » van dong, xay dung, tin dung
quan nam » xuan nam, quan am, quan tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc nhieu) OR (toc thieu)) tang - hanh tran van dung chung hoang ((quan nam) or (quang nam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc nhieu) OR (toc thieu)) tang - hanh tran van dung chung hoang ((quan nam) OR (quang nam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc nhieu) OR (toc thieu)) tang - hanh tran van dung chung hoang ((quan nam) or (quang nam))".
• Adding a wildcard symbol may retrieve word variants: ((doc nhieu) OR (toc thieu)) tang - hanh tran van dung chung hoang ((quan nam) or (quang nam))*.