Perhaps you should try some spelling variations:
dated sediments » dated sediment, water sediments, related sediments
rafted sediment » dated sediment, grained sediment, related sediment
get decrease » great decrease, pets decrease, 1e decrease

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

• If you are trying to use Boolean operators, they must be ALL CAPS: get decrease ((dated sediments) OR (rafted sediment)).
• Adding a wildcard symbol may retrieve word variants: get decrease ((dated sediments) or (rafted sediment))*.