Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuong cua » huong cua, thong cua, tuong cua
truong cua » truong ca, truong quan, truong cao
cong suat » nang suat, cong san, cong cua
nhanh cay » nhanh ha, nhanh bac, nhanh va
ho chieu » theo chieu, hoc thieu, doi chieu
cong sat » cong san, cong hat, cong nhat

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 cua) OR (truong cua)) nhung ((cong sat) or (cong suat)) nhanh cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((thuong cua) OR (truong cua)) nhung ((cong sat) OR (cong suat)) nhanh cay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((thuong cua) OR (truong cua)) nhung ((cong sat) or (cong suat)) nhanh cay".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((thuong cua) OR (truong cua)) nhung ((cong sat) or (cong suat)) nhanh cay*.