Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
trinh han » trinh quan
cong tan » cong tac, cong san, cong ty

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

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