Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van thanh » ban thanh, van tuan
van tan » van tuan, van tai, van tien

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua nhung cong ((((van tan) OR (van thanh))) OR (van ban)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua nhung cong ((((van tan) OR (van thanh))) or (van ban)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua nhung cong ((((van tan) OR (van thanh))) or (van ban)) cau*.