Perhaps you should try some spelling variations:
quantization algorithm » estimation algorithm
adaptive quantization » adaptive ventilation
modified adaptive » modified passive
mode control » case control, mimo control
methods » method

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified adaptive quantization algorithm ) or ( mode control methods algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified adaptive quantization algorithm ) OR ( mode control methods algorithm )).
• Adding a wildcard symbol may retrieve word variants: (( modified adaptive quantization algorithm ) or ( mode control methods algorithm ))*.