Perhaps you should try some spelling variations:
dang nguong » dung nguon, dang thuong, tang nguon
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nguong ban » nguong dan, nguoi ban, nguong va
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
ban than » ban thanh, van thanh, ban hang
than man » than ma, thanh san, tran manh

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