Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
phuong ban » phuong bang, phuong lan, phuong bac
hoc thieu » toc thieu, hoc hien
ban hang » ngan hang
hang san » hoang san, hang ban, hanh san
cua dan » cua dang, cua ban
ca dan » cac dan, ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh tranh ((cua dan) or (ca dan)) phuong ban hang san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh ((cua dan) OR (ca dan)) phuong ban hang san*.