Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh thanh » canh tranh, danh thanh, anh thanh
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
phan dung » phan ung, phan dang, chan dung
dung cong » dung trong
dan tocn » dan toan, dang toan, dan hoc

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 thanh phan dung cong ((dan tocn) or (dan toc)) bi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh thanh phan dung cong ((dan tocn) OR (dan toc)) bi*.