Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
chua tinh » cua tinh, cha tinh, thuat tinh
toan tuan » tran tuan, toan quan, doan tuan
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
chu tich » chu thich, thu tich, co tich
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu tich) or (chua tinh)) - thanh toan tuan dang cong tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu tich) OR (chua tinh)) - thanh toan tuan dang cong tap toan cao*.