Perhaps you should try some spelling variations:
mapping algorithm » sampling algorithm (Expand Search), matching algorithm (Expand Search), mining algorithm (Expand Search)
sample algorithm » sampling algorithm (Expand Search), carlo algorithm (Expand Search), svm algorithm (Expand Search)
sediment sample » sediment samples (Expand Search), sediment supply (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: (( sediment sample algorithm ) OR ( element mapping algorithm )).