Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van dung » van dong, xay dung, tin dung
va duong » van duong, va tuong, va huong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
hoc ban » hoc bang, hoc dan, hoc bai
va dung » vat dung, va ung, va dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ban thanh - canh tranh ((((va dung) OR (van dung))) or (va duong)) cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ban thanh - canh tranh ((((va dung) OR (van dung))) OR (va duong)) cong van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ban thanh - canh tranh ((((va dung) OR (van dung))) or (va duong)) cong van tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ban thanh - canh tranh ((((va dung) OR (van dung))) or (va duong)) cong van tuan ban*.