Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
chieu sach » chinh sach, chiet tach, chieu sang
trang thai » trang trai, trong thai, trang tai
doi chieu » doc hieu, doi chi, mot chieu
tong cong » trong cong, cong cong, dung cong
bac thang » bac thanh, bao thang, ban hang
cong bac » cong tac, dong bac, cong cac
thang ca » thang cua, hang ca, tang ca

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 - canh ((trong thuat) or (trang thai)) tong cong bac thang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((trong thuat) OR (trang thai)) tong cong bac thang ca.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((trong thuat) or (trang thai)) tong cong bac thang ca*.