Perhaps you should try some spelling variations:
compatibles » compatible, incompatible
compressible » incompressible, compressive, compression
combusting » combustions, combustion, composting
fossilss" » fossils", fossil", fossile"
fossiles" » fossils", fossile", fossil"
fossilis" » fossils", fossili", fossilised"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((compatibles or compressible) or combusting) ((fossilss\" OR fossiles\") or fossilis\")~".
• Removing quotes may allow a broader search: ((compatibles or compressible) or combusting) ((fossilss OR fossiles ) or fossilis )~.
• Adding a wildcard symbol may retrieve word variants: "((compatibles or compressible) or combusting) ((fossilss" OR fossiles") or fossilis")*.