Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh quan » tranh quang, trinh quan, tranh luan
quan nhung » qua nhung, cua nhung, luan chung
hoc thieu » toc thieu, hoc hien
cong lang » cong vang, cong luong, cong quang
thanh cao » thanh ca, thanh cac, thanh thao
cong san » cong tac

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 quan nhung ((cong lang) or (cong san)) thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh quan nhung ((cong lang) OR (cong san)) thanh cao*.