Perhaps you should try some spelling variations:
oviposition » opposition
ovipositional » oppositional, compositional, propositional, depositional, oviposition, ovipositions, ovipositioned
positional » position, positions, positioned
oppositional » opposition, oppositions, oppositioned, compositional, depositional
compositions » composition
ovipositor » oviposit, oviposits

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((oviposition or (((ovipositional OR positional) or compositions) or oppositional)) or ovipositor)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((oviposition OR (((ovipositional OR positional) OR compositions) OR oppositional)) OR ovipositor).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((oviposition or (((ovipositional OR positional) or compositions) or oppositional)) or ovipositor)".
• Adding a wildcard symbol may retrieve word variants: ((oviposition or (((ovipositional OR positional) or compositions) or oppositional)) or ovipositor)*.