Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh dung » thanh dung, anh dung, hanh dong
phan cong » thanh cong
dung cua » dung luan, dung cho
cua phan » cua nhan, cua phap, cua han
tap quan » tac quan, hai quan
bai toan » bai tap

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 dung cua phan cong ((((tap doan) OR (tap quan))) or (bai toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh dung cua phan cong ((((tap doan) OR (tap quan))) OR (bai toan)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh dung cua phan cong ((((tap doan) OR (tap quan))) or (bai toan)) cau*".