Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh dung » thanh dung, anh dung, hanh dong
cho nhung » cho chuong, cua nhung, thi nhung
cong vang » cong lang, cong quang, cong ngang
cong van » cong san, song van, cong tan
tuan cau » toan cau, quan cau, tuan cu

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 tinh)) - hanh dung cho nhung ((cong van) OR (cong vang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - hanh dung cho nhung ((cong van) OR (cong vang)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu tinh)) - hanh dung cho nhung ((cong van) OR (cong vang)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - hanh dung cho nhung ((cong van) OR (cong vang)) tuan cau*.