Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » hanh chinh
hung vuong » hoang vuong
vuong anh » duong manh, phuong anh, cuong danh
cua hung » cua nhung, cua chung, cua huong
anh luan » anh tuan, anh quan, anh xuan

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

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