Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tiep danh » tieu danh, thien danh, tiep can
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
hang dau » hang va, hang tai

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 cua nhung ((cong dan) OR (cong tan)) hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tiep danh)) - canh tranh cua nhung ((cong dan) OR (cong tan)) hang dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) or (tiep danh)) - canh tranh cua nhung ((cong dan) OR (cong tan)) hang dau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (tiep danh)) - canh tranh cua nhung ((cong dan) OR (cong tan)) hang dau*.