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

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) or (thien danh)) - canh tran van ((dung cong) or (dang cong)) van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu danh) OR (thien danh)) - canh tran van ((dung cong) OR (dang cong)) van toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu danh) or (thien danh)) - canh tran van ((dung cong) or (dang cong)) van toan tap*.