Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
chu sach » cau sach, thu sach, chieu sach
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu sach - hanh tranh cua ((nhung cong) or (dung cong)) san ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu sach - hanh tranh cua ((nhung cong) OR (dung cong)) san ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu sach - hanh tranh cua ((nhung cong) or (dung cong)) san ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: cho chu sach - hanh tranh cua ((nhung cong) or (dung cong)) san ((toan cau) OR (toan tap))*.