Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
thanh van » thanh toan, thanh phan, thanh nhan

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 - hanh trinh quan ((bang cong) or (thong cong)) ((thanh van) or (thanh san)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh quan ((bang cong) OR (thong cong)) ((thanh van) OR (thanh san)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh quan ((bang cong) or (thong cong)) ((thanh van) or (thanh san)) ban*.