Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tang » hanh trang, anh tang, hanh mang
cua trong » cua truong, cua trung, qua trong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (((chieu tinh) or (lieu tinh)))) - hanh tang cua trong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (((chieu tinh) OR (lieu tinh)))) - hanh tang cua trong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (((chieu tinh) or (lieu tinh)))) - hanh tang cua trong cong dan van ban*.