Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
van thang » van thanh, van khang, van hang
cua hang » cua dang, cua nhung, cua cong
ban than » ban thanh, van thanh, ban hang
van than » van thanh, van tuan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh tranh cua hang cong ((ban than) or (((van than) or (van thang)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh cua hang cong ((ban than) OR (((van than) OR (van thang)))) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh cua hang cong ((ban than) or (((van than) or (van thang)))) ban*.