Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
mang cua » manh cua, dung cua, ban cua
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: theo ((hieu nganh) or (chieu xanh)) - hanh mang cua hang ((cong tan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (chieu xanh)) - hanh mang cua hang ((cong tan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu nganh) or (chieu xanh)) - hanh mang cua hang ((cong tan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (chieu xanh)) - hanh mang cua hang ((cong tan) OR (cong san)) toan ban*.