Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan hung » luan chung, lan hung, luan ung
luan dong » luan cong, quan dong, luan nong
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, cong tan, huong dan
ca cau » cua cau, cac cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) sach - hanh doanh ((luan hung) or (luan dong)) cong dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh doanh ((luan hung) OR (luan dong)) cong dan ca cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - hanh doanh ((luan hung) or (luan dong)) cong dan ca cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - hanh doanh ((luan hung) or (luan dong)) cong dan ca cau*.