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