Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
theo chu » theo chieu, cho chu, chao chu
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((thi chieu) or (theo chu))) or (doc hieu)) xanh - hanh tang cua dung cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((thi chieu) OR (theo chu))) OR (doc hieu)) xanh - hanh tang cua dung cong luan van ban.
• Adding a wildcard symbol may retrieve word variants: ((((thi chieu) or (theo chu))) or (doc hieu)) xanh - hanh tang cua dung cong luan van ban*.