Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
phan dang » phan dau, phan cong, nhan dan
va thong » va thuong, va phuong, he thong
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban
dang va » dang van, dang vat, hang va

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 manh) or (chieu sach)) - phan dang va thong cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - phan dang va thong cong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - phan dang va thong cong anh tuan ban*.