Perhaps you should try some spelling variations:
interaction conventional » interactions unconventional, introduction conventional, interactions conditional
programming definition » programming designation, programming decision, programming defining
programming recursion » programming decision, programming session, programming decisions
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: interaction conventional ((programming definition) or (programming recursion)) basic truss~.
• If you are trying to use Boolean operators, they must be ALL CAPS: interaction conventional ((programming definition) OR (programming recursion)) basic truss.
• Adding a wildcard symbol may retrieve word variants: interaction conventional ((programming definition) or (programming recursion)) basic truss*.