Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: ho ((((chieu sach) or (chieu xanh))) or (chieu sang)) - canh tranh cua nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chieu xanh))) OR (chieu sang)) - canh tranh cua nhung cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chieu xanh))) or (chieu sang)) - canh tranh cua nhung cong van toan cao*.