Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
va hanh » van hanh, va thanh, va danh
va tinh » may tinh
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh thang ((((va hanh) or (va tinh))) or (va lang)) cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh thang ((((va hanh) OR (va tinh))) OR (va lang)) cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh thang ((((va hanh) or (va tinh))) or (va lang)) cong tac toan tap*.