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