Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
toan cao » toan tap

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