Perhaps you should try some spelling variations:
hung vuong » hoang vuong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
canh tran » canh tranh, hanh trang, banh trang
vuong dan » huong dan, tuong dan, xuong dan
tran van » luan van
van hung » van dung, manh hung, van duong
dan van » dang van, doan van, dao van

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 (hieu manh)) - canh tran van hung vuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - canh tran van hung vuong dan van ban*.