Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tron den snippets" » "pham trong den snippets", "pha tan den snippets", "pha trong den snippets", "pha trong dien snippets", "pha trong nen 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: (((("pha tron den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha tron den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tron den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tron den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.