Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
nhan dang » nhan dan, phan dang, tran dang
tong cong » cong cong, dung cong, dang cong
manh toan » thanh toan, anh tuan, tinh toan
dang cua » dung cua, dong cua, mang cua
toan ban » van ban
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - nhan dang cua ((trong cong) or (tong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - nhan dang cua ((trong cong) OR (tong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - nhan dang cua ((trong cong) or (tong cong)) manh toan ban*.