Perhaps you should try some spelling variations:
chieu manh » chieu xanh, chu manh, chieu sach
lanh tranh » canh tranh, lan tranh, hanh trinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 ((chieu manh) OR (hieu manh)) - lanh tranh ((cua dung) or (cua ban)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu manh) OR (hieu manh)) - lanh tranh ((cua dung) OR (cua ban)) cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu manh) OR (hieu manh)) - lanh tranh ((cua dung) or (cua ban)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu manh) OR (hieu manh)) - lanh tranh ((cua dung) or (cua ban)) cong tan toan ban*.