Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, thong thong, phong chong
quang toan » quang tuan, quang tran, quang doan
khach san » khach hang, thanh san
tong cong » trong cong, cong cong, dung cong
toan ban » van ban
san cua » sang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sach)) - khach san cua ((thong cong) OR (tong cong)) quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - khach san cua ((thong cong) OR (tong cong)) quang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sach)) - khach san cua ((thong cong) OR (tong cong)) quang toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - khach san cua ((thong cong) OR (tong cong)) quang toan ban*.