Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chua xang » chua nang, chuc nang, chu bang
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
chu xanh » chu manh, chieu xanh, chuc danh
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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 xanh) or (chua xang)) - canh tranh cua thong cong ((dan toan) OR (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - canh tranh cua thong cong ((dan toan) OR (van toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chua xang)) - canh tranh cua thong cong ((dan toan) OR (van toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - canh tranh cua thong cong ((dan toan) OR (van toan)) cao*.