Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha chat doc snippets" » "phap chat doc snippets", "pham chat doc snippets", "phan chat doc snippets", "pha chat hoc snippets", "pha chau doc snippets", "pha thuat doc 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 chat 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: (((("pha chat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha chat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha chat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.