Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
dam than » dam thanh, dam phan, am than
dan than » dan chan, ban than, van than
tam than » ban than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - hanh tranh cua hang thuong ((((dam than) OR (dan than))) or (tam than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh tranh cua hang thuong ((((dam than) OR (dan than))) OR (tam than)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - hanh tranh cua hang thuong ((((dam than) OR (dan than))) or (tam than)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh tranh cua hang thuong ((((dam than) OR (dan than))) or (tam than)) cap*.