Perhaps you should try some spelling variations:
"computing computer and computer programming" » "computing computer and computer program" (Expand search), "computing computer and computer programs" (Expand search), "routing computer and computer programming" (Expand search), "computing computer aided computer programming" (Expand search), "computing computer _ computer programming" (Expand search)
"using complexation and breeding program" » "using completion and breeding program" (Expand search), "sn4 complexation and breeding program" (Expand search), "upon complexation and breeding program" (Expand search), "using competition and breeding program" (Expand search), "using compensation and breeding program" (Expand search), "using computation and breeding program" (Expand search), "using complexation and feeding program" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("using complexation and breeding program") OR ("computing computer and computer programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using complexation and breeding program\") OR (\"computing computer and computer programming\"))".
• Removing quotes may allow a broader search: (( using complexation and breeding program ) OR ( computing computer and computer programming )).
• Adding a wildcard symbol may retrieve word variants: (("using complexation and breeding program") OR ("computing computer and computer programming"))*.