Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai pha lon snippets" » "kham pha lon snippets", "khai thac lon snippets", "khai pha tron snippets", "khai phai con 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: (((("khai pha lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai pha lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai pha lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai pha lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.