Perhaps you should try some spelling variations:
"optician and scientific content maker" » "optician and scientific context maker", "optician and scientific concept maker", "optician and scientific concepts maker", "optician and scientific content market", "optician and scientific content mike", "optician and scientific content matters"
"Optician and scientific intent model" » "Optician and scientific interest model", "Optician and scientific context model", "Optician and scientific input model", "Optician and scientific content model", "Optician and scientific internal model"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("Optician and scientific intent model") or ("optician and scientific content maker"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Optician and scientific intent model") OR ("optician and scientific content maker")).
• Removing quotes may allow a broader search: (( Optician and scientific intent model ) or ( optician and scientific content maker )).
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