Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh long » thanh cong, thang long, thanh huong
toan khoan » toan khoa, toan phan, toan hoat
tranh ban » trinh ban, tranh hang, tranh luan
ban thanh » ban hanh, ban hang
long toan » bong toan, cong toan, long doan
khoan cam » khoa cam, khoan va, phan cam

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