Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
chung hang » khung hoang, chiung hung, chung thong
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, ho chieu
chung han » chung nhan, chung than, chuong han
va thanh » gia thanh, ban thanh, va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trinh quan ((chung hang) OR (chung han)) va thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh trinh quan ((chung hang) OR (chung han)) va thanh chau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trinh quan ((chung hang) OR (chung han)) va thanh chau*.