Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
doi chiet » doi chieu, doi chi, doi viet
trinh cua » tinh cua, trinh luat, trinh quan
cua trong » cua truong, cua trung, qua trong
san thanh » ban thanh, van thanh, son thanh
san than » sang than, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - hanh trinh cua trong cong ((san than) or (san thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - hanh trinh cua trong cong ((san than) OR (san thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - hanh trinh cua trong cong ((san than) or (san thanh)) cau*.