Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh tang » thanh thang, thanh trang, thanh tung
thang cong » thanh cong, thang long, thong cong
vang quang » van quang, dang quang, vung quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
van thang » van thanh, van khang, van hang
cong vang » cong lang, cong quang, cong ngang
quang cao » nang cao, quang nam
tang van » dang van, hoang van, trong van

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 (hieu manh)) - thanh tang van thang cong vang quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh tang van thang cong vang quang cao*.