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