Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan chi doi snippets" » "luan chi doi snippets", "quan che doi snippets", "quan chu doi snippets", "quan cho doi snippets", "quan chi dai snippets", "quan chi voi 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: (((("quan chi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan chi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan chi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan chi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.