Perhaps you should try some spelling variations:
tuong cong » truong cong, trong cong, tong cong
chao chu » cho chu, cua chu, cao cho
chu tinh » chau tinh, chua tinh, cuu tinh
va tuong » va thuong, va thong, xa truong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cau » 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: chao chu tinh - ((hanh chinh) or (canh tranh)) va tuong cong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu tinh - ((hanh chinh) OR (canh tranh)) va tuong cong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: chao chu tinh - ((hanh chinh) or (canh tranh)) va tuong cong tap toan cau*.