Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuong qua » thong qua, thuong quang, truong quan
thuong quy » nhung quy, thong qua, thong que
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
thanh cau » thanh mau, nhanh cau, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((thuong qua) or (thuong quy)) nhung cong trinh ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((thuong qua) OR (thuong quy)) nhung cong trinh ((thanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((thuong qua) or (thuong quy)) nhung cong trinh ((thanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((thuong qua) or (thuong quy)) nhung cong trinh ((thanh cau) OR (thanh chau))*.