Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tiep danh » tieu danh, thien danh, tiep can
khoan cam » khoa cam, khoan va, phan cam
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong van » cong vang, song van, cong tan
cong san » cong tac

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) or (tiep danh)) - canh tranh va thong ((cong van) or (cong san)) khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tiep danh)) - canh tranh va thong ((cong van) OR (cong san)) khoan cam.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (tiep danh)) - canh tranh va thong ((cong van) or (cong san)) khoan cam*.