Perhaps you should try some spelling variations:
"binary ngong-linear programming" » "binary ngong-linear programs", "binary ngong-linear program", "binary ngong-language programming"
"binary non-linear programmingmingmingmings" » "binary non-linear programsmingmingmings", "binary non-linear programmingmingmings", "binary non-language programmingmingmingmings", "binary nong-linear programmingmingmingmings", "binary ngon-linear programmingmingmingmings"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("binary ngong-linear programming") or ("binary non-linear programmingmingmingmings"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("binary ngong-linear programming") OR ("binary non-linear programmingmingmingmings")).
• Removing quotes may allow a broader search: (( binary ngong-linear programming ) or ( binary non-linear programmingmingmingmings )).
• Adding a wildcard symbol may retrieve word variants: (("binary ngong-linear programming") or ("binary non-linear programmingmingmingmings"))*.