Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh trinh » canh tranh, hanh chinh
cua chung » luan chung, luat chung, cua cong
cua nhung » va nhung
vuong anh » duong manh, phuong anh, cuong danh
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: ho ((chieu sang) OR (chieu xanh)) - hanh trinh ((cua chung) or (cua nhung)) vuong anh luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - hanh trinh ((cua chung) OR (cua nhung)) vuong anh luan van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - hanh trinh ((cua chung) or (cua nhung)) vuong anh luan van".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - hanh trinh ((cua chung) or (cua nhung)) vuong anh luan van*.