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)
sediment sampling » sediment samples (Expand Search), sediment sample (Expand Search)
elements matching » elements within (Expand Search), element mapping (Expand Search)

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

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