Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
doi chi » doi khi

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

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