Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trong thai » trong thi, trong thuat, trong nha
trong thoi » trong thi, trong tho, trong trot
doi chieu » doc hieu, doi chi, mot chieu
bang cong » dang cong, bang song, hang cong
cong tinh » cong trinh, cong vinh, long tinh
toan tap » toan 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 - thanh ((trong thai) or (trong thoi)) bang cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trong thai) OR (trong thoi)) bang cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trong thai) or (trong thoi)) bang cong tinh toan tap*.