Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu
va nang » van nang, cam nang, kha nang
da nang » cam nang, kha nang, cao nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sach)) - canh trinh ((va nang) OR (da nang)) cong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - canh trinh ((va nang) OR (da nang)) cong van tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - canh trinh ((va nang) OR (da nang)) cong van tuan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - canh trinh ((va nang) OR (da nang)) cong van tuan cau*.