Perhaps you should try some spelling variations:
khanh thuong » thanh thuong, hang thuong, khanh phong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
khanh luan » khanh thuan, doanh luan, hang luan
dong cong » duong cong, dung cong, dang cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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 sang)) - ((khanh luan) or (khanh thuong)) van dong cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - ((khanh luan) OR (khanh thuong)) van dong cong van toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - ((khanh luan) or (khanh thuong)) van dong cong van toan cau*".