Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
thang nong » hang nong, tang nong, thang trong
thang long » thanh cong
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
tang mong » mang mong, hang mong, tang dong
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 han ((((thang nong) OR (thang long))) or (tang mong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh han ((((thang nong) OR (thang long))) OR (tang mong)) dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh trinh han ((((thang nong) OR (thang long))) or (tang mong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh han ((((thang nong) OR (thang long))) or (tang mong)) dan than cap*.