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