Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thanh tung » thanh cong
hieu cach » hieu cac, chieu sach, hieu ca
danh toan » manh toan, dan toan, dang toan
toc hieu » toc thieu, doc hieu, hoc thieu
cua dung » cua dang, cua dong, qua dung
anh toan » manh toan, anh tuan, thanh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu cach - ((thanh trung) or (thanh tung)) cua dung phuong ((danh toan) OR (anh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu cach - ((thanh trung) OR (thanh tung)) cua dung phuong ((danh toan) OR (anh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu cach - ((thanh trung) or (thanh tung)) cua dung phuong ((danh toan) OR (anh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: toc hieu cach - ((thanh trung) or (thanh tung)) cua dung phuong ((danh toan) OR (anh toan)) cau*.