Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
tranh va » tranh van, trang va, trinh va
van toan » van tuan, van tan, van thanh
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: theo tieu xanh - canh tranh va ((thong cong) or (((tong cong) OR (cong cong)))) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - canh tranh va ((thong cong) OR (((tong cong) OR (cong cong)))) van toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - canh tranh va ((thong cong) or (((tong cong) OR (cong cong)))) van toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh va ((thong cong) or (((tong cong) OR (cong cong)))) van toan cao*.