Perhaps you should try some spelling variations:
switching algorithm » matching algorithm (Expand Search), matching algorithms (Expand Search), twisting algorithm (Expand Search)
sampling algorithm » mining algorithm (Expand Search)
elements switching » elements within (Expand Search), element within (Expand Search)
sediment sampling » sediment samples (Expand Search), sediment sample (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 switching algorithm ))~.