Perhaps you should try some spelling variations:
dechet » dechets
bechet » becher
dechert » deckert, reichert, stechert
weichert » reichert, wichert, teicher, weichlert, wrichert, wreichertt
weinert » weiner, reinert, weinberg
wrichert » wichert, richert, richer
eicher » eichler, richer, reichert

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((dechet or bechet) or dechert) or (((weichert OR weinert) or wrichert) or eicher)) liquid~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((dechet OR bechet) OR dechert) OR (((weichert OR weinert) OR wrichert) OR eicher)) liquid.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((dechet or bechet) or dechert) or (((weichert OR weinert) or wrichert) or eicher)) liquid".
• Adding a wildcard symbol may retrieve word variants: (((dechet or bechet) or dechert) or (((weichert OR weinert) or wrichert) or eicher)) liquid*.