Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
san thanh » ban thanh, van thanh, son thanh
sinh cua » manh cua, dinh cuu, sinh va
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 chieu sach - hanh ((trinh cua) or (sinh cua)) trong cong ((san than) or (san thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh cua) OR (sinh cua)) trong cong ((san than) OR (san thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trinh cua) or (sinh cua)) trong cong ((san than) or (san thanh)) cau*.