Perhaps you should try some spelling variations:
tieu danh » dieu danh, tiep danh, thien danh
canh tran » canh tranh, hanh trang, banh trang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tran van » luan van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu danh - canh tran van ((hang cong) or (dang cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu danh - canh tran van ((hang cong) OR (dang cong)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - canh tran van ((hang cong) or (dang cong)) van toan cau*.