Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chieu sang, hieu cach
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van thanh » ban thanh, van tuan
thanh ban » thanh san, thanh van, thanh bac
cong van » cong vang, cong san, song van

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 sach) OR (chiet tach)))) - hanh tranh cua nhung cong van thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sach) OR (chiet tach)))) - hanh tranh cua nhung cong van thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - hanh tranh cua nhung cong van thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sach) OR (chiet tach)))) - hanh tranh cua nhung cong van thanh ban*.