Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"yang xu chat snippets" » "lang xu chat snippets", "yan xu chat snippets", "yang yu chat snippets", "yang xu phat snippets", "yang du chat snippets", "yang vu chat 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: (((("yang xu chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang xu chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yang xu chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang xu chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.