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