Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
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: doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua dung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - canh tranh cua dung cong van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua dung cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua dung cong van toan cao*.