Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap dan chu snippets" » "lap dat chu snippets", "lap ban chu snippets", "hap dan chu snippets", "lap dan cu snippets", "lap can chu snippets", "lap dan cho 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: (((("lap dan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap dan chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap dan chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap dan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.