Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cong danh » cuong danh, cong dan, cong khanh
cua dung » cua dang, cua dong, qua dung
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: toc ((hieu nganh) or (hien hanh)) - hanh tranh cua dung ((cong danh) OR (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu nganh) OR (hien hanh)) - hanh tranh cua dung ((cong danh) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu nganh) or (hien hanh)) - hanh tranh cua dung ((cong danh) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((hieu nganh) or (hien hanh)) - hanh tranh cua dung ((cong danh) OR (cong thanh)) toan cau*.