Perhaps you should try some spelling variations:
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
hang long » thang long, hoang long, hang luong
cua hang » cua dang, cua nhung, cua cong
long dan » long doan, cong dan, nong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - canh tranh cua hang long dan ((phan cau) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - canh tranh cua hang long dan ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh cua hang long dan ((phan cau) OR (phan dau))*.