Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, cac tinh, ca tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cua tinh » cua sinh, va tinh, hoa tinh
cong san » cong tac
ha tinh » va tinh, may tinh
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((chau tinh) OR (cua tinh))) or (ha tinh)) - canh tranh cua nhung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chau tinh) OR (cua tinh))) OR (ha tinh)) - canh tranh cua nhung cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chau tinh) OR (cua tinh))) or (ha tinh)) - canh tranh cua nhung cong san van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((((chau tinh) OR (cua tinh))) or (ha tinh)) - canh tranh cua nhung cong san van ban*.