Perhaps you should try some spelling variations:
thieu danh » thien danh, tieu danh, chieu xanh
canh thanh » canh tranh, danh thanh, anh thanh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
van cau » van hau, van chat, toan cau
van dau » van dao, phan dau

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 danh - canh thanh san ((nhung cong) OR (dung cong)) toan ((van cau) or (van dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu danh - canh thanh san ((nhung cong) OR (dung cong)) toan ((van cau) OR (van dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu danh - canh thanh san ((nhung cong) OR (dung cong)) toan ((van cau) or (van dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu danh - canh thanh san ((nhung cong) OR (dung cong)) toan ((van cau) or (van dau))*.