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

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

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