Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap lanh moi snippets" » "lam lanh moi snippets", "lap doanh moi snippets", "lap nganh moi snippets", "lap hanh moi snippets", "lap lanh voi snippets", "lap thanh moi 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 lanh moi 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 lanh moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap lanh moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap lanh moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.