Perhaps you should try some spelling variations:
matching algorithms » matching algorithm (Expand Search), tracking algorithms (Expand Search), making algorithm (Expand Search)
sampling algorithm » mining algorithm (Expand Search)
element matching » element mapping (Expand Search), employment matching (Expand Search), element modeling (Expand Search)
client sampling » sediment sampling (Expand Search)

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

• Removing quotes may allow a broader search: (( element matching algorithms ) OR ( client sampling algorithm )).