Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
quang dung » quang trung, ung dung, cuong dung
hanh dang » hanh dong, anh dang, hanh dung
dang tran » dang thanh, quang tran, hoang tran
trong tho » trong thoi, trong thu, trong thi
dung ban » dung san, dung dan, dong ban
trong co » trong ca, trong cong, trong cuoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh dang tran quang dung ban ((trong co) or (trong tho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh dang tran quang dung ban ((trong co) OR (trong tho)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dang tran quang dung ban ((trong co) or (trong tho))*.