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