Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
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: ho ((((chieu sach) or (chiet tach))) or (chieu xanh)) - canh tranh va trong cong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chiet tach))) OR (chieu xanh)) - canh tranh va trong cong van tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chiet tach))) or (chieu xanh)) - canh tranh va trong cong van tuan cau*.