Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
hoc dieu » hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
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: ((hoc dieu) or (ho chieu)) sach - hanh manh cua nhung cong ((dan than) OR (ban than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (ho chieu)) sach - hanh manh cua nhung cong ((dan than) OR (ban than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (ho chieu)) sach - hanh manh cua nhung cong ((dan than) OR (ban than)) tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (ho chieu)) sach - hanh manh cua nhung cong ((dan than) OR (ban than)) tap*.