Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
bang cong » dang cong, bang song, hang cong
dung cua » dung luan, dung cho
cua bang » chua bang, cua ban, cua dang
ban toan » bai toan, ban than, bao toan
van toan » van tuan, van tan, van thanh
ho lieu » so lieu, co lieu, ho chieu
ho kieu » so kieu, thi kieu, ho chieu

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

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