Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cho chinh » chon chinh, che chinh, cuoc chinh
ho chinh » hoc chinh, hoa chinh, do chinh
trinh va » trinh van, trinh vat, trinh ve
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chinh) or (cho chinh)) sach - hanh trinh va nhung cong ((dan than) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chinh) OR (cho chinh)) sach - hanh trinh va nhung cong ((dan than) OR (ban than)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) or (cho chinh)) sach - hanh trinh va nhung cong ((dan than) or (ban than)) cao*.