Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap len cong snippets" » "lap den cong snippets", "lap le cong snippets", "lap len con snippets", "lap luan cong snippets", "lap lanh cong snippets", "lap tren cong 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 len cong 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 len cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap len cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.