Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap sinh con snippets" » "tap sinh con snippets", "cap sinh con snippets", "lap ninh con snippets", "lap sinh cong snippets", "lap sinh ton snippets", "lap sinh co 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 sinh con 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 sinh con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap sinh con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap sinh con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.