Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh thang » nhanh thang, thanh thang, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
thang va » hang va, trang va, thong va
va trong » va truong, va thong, va tuong
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 thang va trong cong thanh ((((toan cau) OR (doanh tai))) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh thang va trong cong thanh ((((toan cau) OR (doanh tai))) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh thang va trong cong thanh ((((toan cau) OR (doanh tai))) OR (toan ban))*.