Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
tranh cua » doanh cua, manh cua
chu nang » chuc nang, chua nang, cuu nang
cua hang » cua dang, cua nhung, cua cong
phan dau » phan tu, hang dau
tho chu » theo chu, cho chu, ho chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tho chu nang - hanh tranh cua hang ((cong thanh) or (dong thanh)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tho chu nang - hanh tranh cua hang ((cong thanh) OR (dong thanh)) phan dau*.