Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hoc thiet » hoc thuyet, hoc hien, hoc viet
hoc thieu » hoc hien
tranh cua » doanh cua, manh cua
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 (toc thieu))) or (hoc thieu)) tach - canh tranh cua nhung cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thiet) OR (toc thieu))) OR (hoc thieu)) tach - canh tranh cua nhung cong ngang toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hoc thiet) OR (toc thieu))) or (hoc thieu)) tach - canh tranh cua nhung cong ngang toan cau".
• Adding a wildcard symbol may retrieve word variants: ((((hoc thiet) OR (toc thieu))) or (hoc thieu)) tach - canh tranh cua nhung cong ngang toan cau*.