Perhaps you should try some spelling variations:
"nlp based code snippets" » "nlp based anode snippets", "ni based code snippets", "nb based code snippets"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using ibm code snippets") or ("nlp based code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("nlp based code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( nlp based code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("nlp based code snippets"))) or ("locating bug code slippers"))*.