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

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 ((toan cau) OR (toan tap))~.
• 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 ((toan cau) OR (toan tap)).
• 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 ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) tach - canh doanh cua nhung cong ngang ((toan cau) OR (toan tap))*.