Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh chua » tranh cua, trinh chuan, tranh chap
duong cong » dung cong, duong trong, trong cong
luong cong » dung cong, trong cong, cong cong
hoc thieu » toc thieu, hoc hien
dong cong » dung cong, dang cong, cong cong
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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 chua ((dong cong) OR (((duong cong) OR (luong cong)))) dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh chua ((dong cong) or (((duong cong) OR (luong cong)))) dan than ban~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh chua ((dong cong) or (((duong cong) OR (luong cong)))) dan than ban*.