Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
canh tran » canh tranh, hanh trang, banh trang
hang cong » dang cong, hang nong, bang cong
cong dang » cong dong, cong dan, cong dung
tran van » luan van
van hang » van khang, van hoang, van thang
dang van » hoang van, hang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) or (chieu sach)) - canh tran van hang cong dang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (chieu sach)) - canh tran van hang cong dang van ban*.