Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
hoc dieu » hoc thieu
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang hai » hoang hai, hang tai, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) xanh - hanh tranh van nhung cong ban hang hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) xanh - hanh tranh van nhung cong ban hang hai*.