Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
thong cong » trong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
tuan cau » toan cau, quan cau, tuan cu
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chi)) sach - canh doanh luan ((thong cong) OR (tong cong)) anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) sach - canh doanh luan ((thong cong) OR (tong cong)) anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chi)) sach - canh doanh luan ((thong cong) OR (tong cong)) anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) sach - canh doanh luan ((thong cong) OR (tong cong)) anh tuan cau*.