Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
thong san » thong sang, trong san, thong van
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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 ((tang cua) or (hang cua)) thong thong san ((than ban) OR (than man))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((tang cua) OR (hang cua)) thong thong san ((than ban) OR (than man)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((tang cua) or (hang cua)) thong thong san ((than ban) OR (than man))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((tang cua) or (hang cua)) thong thong san ((than ban) OR (than man))*.