Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thong cong » trong cong, tong cong, thong thong
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
va thong » va thuong, va phuong, he thong
ban hang » ngan hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (ho chieu)) sach - thanh tuong va thong cong ((van ban) or (ban hang)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (ho chieu)) sach - thanh tuong va thong cong ((van ban) OR (ban hang)) cao.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (ho chieu)) sach - thanh tuong va thong cong ((van ban) or (ban hang)) cao*.