Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tieu danh » tiep danh, thien danh, dieu hanh
dieu danh » dieu hanh, dia danh, dien anh
tranh cua » doanh cua, manh cua
nong dan » nong san, nguong dan, huong dan
cong dan » cong san, cong tan, huong dan
toan tap » toan ban

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