Perhaps you should try some spelling variations:
programming designation » programming designing, programming negation, programming discrimination
interactions functions » interactions functional, integration functions, interactions fractional
programming defining » programming designing, programming learning, programming reasoning
basic truss » basics truss, basic struts, basic truth

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

• Performing a fuzzy search may retrieve terms with similar spellings: interactions functions ((programming defining) or (programming designation)) basic truss~.
• If you are trying to use Boolean operators, they must be ALL CAPS: interactions functions ((programming defining) OR (programming designation)) basic truss.
• Adding a wildcard symbol may retrieve word variants: interactions functions ((programming defining) or (programming designation)) basic truss*.