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

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

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