Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khap su da snippets" » "phap su da snippets", "thap su da snippets", "khat sua da snippets", "khap su dai snippets", "khap su dan snippets", "khap su dao 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: (((("khap su da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khap su da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khap su da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khap su da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.