Perhaps you should try some spelling variations:
cuong tranh » chuong trinh, cong trinh, muong thanh
hanh trinh » canh tranh, hanh chinh
tranh luan » trinh luan, trinh luat, doanh luan
hoc thieu » toc thieu, hoc hien
cua chung » luan chung, luat chung, cua cong
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sang - hanh trinh ((cua chung) or (cua nhung)) cuong tranh luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - hanh trinh ((cua chung) OR (cua nhung)) cuong tranh luan van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sang - hanh trinh ((cua chung) or (cua nhung)) cuong tranh luan van".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sang - hanh trinh ((cua chung) or (cua nhung)) cuong tranh luan van*.