Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh dung » thanh dung, anh dung, hanh dong
cua trong » cua truong, cua trung, qua trong
dung cua » dung luan, dung cho
cong tac » cong ty
tac tuan » tac quan, ta tuan, tai tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh dung cua trong cong tac tuan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh dung cua trong cong tac tuan cau*.