Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, luat thuong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
tran chau » tranh chap, tran huu
tai tran » thai tran, tan tran, thi tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sach)) - canh trinh ((luan phuong) OR (doan phuong)) dung tai tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - canh trinh ((luan phuong) OR (doan phuong)) dung tai tran chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - canh trinh ((luan phuong) OR (doan phuong)) dung tai tran chau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - canh trinh ((luan phuong) OR (doan phuong)) dung tai tran chau*.