Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
toc hieu » toc thieu, doc hieu, hoc thieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 manh - hanh tranh cua dung ((cong dong) or (cong tan)) ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh tranh cua dung ((cong dong) OR (cong tan)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu manh - hanh tranh cua dung ((cong dong) or (cong tan)) ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh tranh cua dung ((cong dong) or (cong tan)) ((toan cau) OR (toan ban))*.