Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
vang thanh » van thanh, dang thanh, tang thanh
tranh qua » tranh cua, thanh qua, trinh qua
qua nhung » quan nhung, cua nhung, qua chung
cong vang » cong lang, cong quang, cong ngang
thanh cao » thanh ca, thanh cac, thanh thao

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) or (dieu hanh)) - canh tranh qua nhung cong vang thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (dieu hanh)) - canh tranh qua nhung cong vang thanh cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (dieu hanh)) - canh tranh qua nhung cong vang thanh cao*.