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