Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim dan chan snippets" » "tim dan gian snippets", "tim dan ca snippets", "tim van chat snippets", "tam dan chan snippets", "tim ban chan snippets", "tim man chan 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: (((("tim dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim dan chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim dan chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim dan chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.