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 » thang long, hang nong, thang trong
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
tang nong » hang nong, tang dong, tang mong
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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