Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
doanh gian » doanh giao, doanh giai, dan gian
gian nhung » gian vung, gioi nhung
cong manh » cong danh, duong manh, cong thanh
cong tan » cong tac, cong san, cong thanh
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 sang - toan doanh gian nhung ((cong manh) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - toan doanh gian nhung ((cong manh) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - toan doanh gian nhung ((cong manh) or (cong tan)) toan ban*.