Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
thanh toan » thanh hoa, thanh san, tinh toan
phuong van » phung van, phong van, phuong lan
hanh tram » hanh tam, hanh trang, thanh tran
doc hieu » toc thieu, hoc thieu, hoc hien
van dung » van dong, xay dung, tin dung
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doc hieu)) xanh - ((hanh tram) or (thanh toan)) van dung phuong van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) xanh - ((hanh tram) OR (thanh toan)) van dung phuong van tuan tai.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) xanh - ((hanh tram) or (thanh toan)) van dung phuong van tuan tai*.