Perhaps you should try some spelling variations:
tien trinh » tien thinh, bien tinh, tien thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
chua bang » chu bang, chua nang, chua xang
hoc tien » hoc tieng, hoc hien, hoc vien
cua bang » cua ban, cua dang, cua hang
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tien trinh - hanh doanh ((cua bang) OR (chua bang)) cong ((ban than) or (anh tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien trinh - hanh doanh ((cua bang) OR (chua bang)) cong ((ban than) OR (anh tuan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien trinh - hanh doanh ((cua bang) OR (chua bang)) cong ((ban than) or (anh tuan)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc tien trinh - hanh doanh ((cua bang) OR (chua bang)) cong ((ban than) or (anh tuan)) tap*.