Perhaps you should try some spelling variations:
thanh long » thanh cong, thang long, thanh huong
hien hanh » dieu hanh
tranh ban » trinh ban, tranh hang, tranh luan
ban thanh » ban hanh, ban hang
dan khoan » dan khoa, dai khoang, toan khoan
khoan cam » khoa cam, khoan va, phan cam
long dan » long doan, cong dan, nong dan

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 ban thanh long dan khoan cam~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh ban thanh long dan khoan cam*.