Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
yen tinh » tuyen tinh
cong tan » cong tac, cong san, cong ty
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: co ((lieu tinh) or (yen tinh)) - canh tranh cua nhung ((cong thanh) OR (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co ((lieu tinh) OR (yen tinh)) - canh tranh cua nhung ((cong thanh) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co ((lieu tinh) or (yen tinh)) - canh tranh cua nhung ((cong thanh) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: co ((lieu tinh) or (yen tinh)) - canh tranh cua nhung ((cong thanh) OR (cong tan)) toan cao*.