Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi de dot snippets" » "khoi de dot snippets", "khi dien dot snippets", "khi de dat snippets", "khi da dot snippets", "khi de doi 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: (((("khi de dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi de dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi de dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi de dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.