Perhaps you should try some spelling variations:
nhung phung » nhung phuong, nhung phong, nhung phun
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van quan » van ban
quan ban » quang ban, qua ban, quan van
ha tinh » may tinh
va tinh » may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((ha tinh) OR (va tinh)) - hanh tranh cua nhung phung van quan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((ha tinh) OR (va tinh)) - hanh tranh cua nhung phung van quan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((ha tinh) OR (va tinh)) - hanh tranh cua nhung phung van quan ban*.