Perhaps you should try some spelling variations:
thuong trong » duong trong, thuoc trong, thuong luong
thong trong » thong thong, thong thuong, khoang trong
canh doanh » hanh doanh, chinh doanh, doanh doanh
doi chieu » doi chi, ho chieu, mot chieu
doanh cua » doanh luan
doc hieu » toc thieu, hoc thieu, hoc hien
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) sach - canh doanh cua ((thuong trong) OR (thong trong)) van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - canh doanh cua ((thuong trong) OR (thong trong)) van ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doc hieu)) sach - canh doanh cua ((thuong trong) OR (thong trong)) van ban cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) sach - canh doanh cua ((thuong trong) OR (thong trong)) van ban cau*.