Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
toan cao » toan ban, toan tap
nan cua » nhan cua, nam cua, dan cua
ban cua » ban quan

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 (theo tieu)) sach - thanh ((nan cua) or (ban cua)) nhung cong hach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - thanh ((nan cua) OR (ban cua)) nhung cong hach toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) sach - thanh ((nan cua) or (ban cua)) nhung cong hach toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) sach - thanh ((nan cua) or (ban cua)) nhung cong hach toan cao*.