Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
chuc sinh » chuc kinh, thuoc sinh, cho sinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van than » van thanh, van thang, van phan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chuc sinh - hanh tranh cua nhung cong ((van than) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chuc sinh - hanh tranh cua nhung cong ((van than) OR (van tuan)) ban*.