Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
thang nong » thang long, tang nong, thang trong
hoc thieu » toc thieu, hoc hien
hang nong » thang long, han tong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 trinh quan ((thang nong) or (hang nong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh quan ((thang nong) OR (hang nong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh quan ((thang nong) or (hang nong)) dan than cap*.