Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
cong ngang » cong nhan, cong lang, cong nong
cong quang » luong quang, thong quang, duong quang
hoc thiet » hoc thieu, hoc thuyet, toc thieu
doanh cua » doanh luan
cua nhung » va nhung
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (hoc hien)) tach - canh doanh cua nhung ((cong ngang) OR (cong quang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc hien)) tach - canh doanh cua nhung ((cong ngang) OR (cong quang)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thiet) or (hoc hien)) tach - canh doanh cua nhung ((cong ngang) OR (cong quang)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) tach - canh doanh cua nhung ((cong ngang) OR (cong quang)) toan cau*.