Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ngu chap dat snippets" » "ngu phap dat snippets", "ngu lap dat snippets", "ngu ca dat snippets", "ngu phap day snippets", "ngu cai dat snippets", "ngu chap dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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