Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap luoc doi snippets" » "ap luc doi snippets", "lap luan doi snippets", "tap luc doi snippets", "lap cuoc doi snippets", "lap luoc dai snippets", "lap hoc 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: (((("lap luoc doi 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 luoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap luoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap luoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.