Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac co he snippets" » "khac do he snippets", "khac mo he snippets", "khao co he snippets", "khac co che snippets", "khac cho he snippets", "khac co e 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 co he 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 co he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac co he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac co he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.