Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh quan » tranh quang, trinh quan, tranh luan
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
tuan cau » toan cau, quan cau, tuan cu

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 tinh)) - canh tranh quan ((nhung cong) OR (hang cong)) anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - canh tranh quan ((nhung cong) OR (hang cong)) anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu tinh)) - canh tranh quan ((nhung cong) OR (hang cong)) anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu tinh)) - canh tranh quan ((nhung cong) OR (hang cong)) anh tuan cau*.