Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hung than » hung thang, chung than, hung thanh
than cua » nhan cua, thai cua, ban cua
dong tac » cong tac, dong tai, dong bac
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 - hung than cua cong dong tac toan ban~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hung than cua cong dong tac toan ban*.