Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long so cong snippets" » "long soc cong snippets", "cong so cong snippets", "dong so cong snippets", "long bo cong snippets", "long cao cong snippets", "long hoc cong snippets"
"locating bug code snippets" » "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: (((("long so cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long so cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long so cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long so cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.