Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
chu tinh » chua tinh, cuu tinh, chu tich
cong van » cong san, song van, cong tan
chat tu » nhat tu, chai tu, chay tu

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

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