Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap day loi snippets" » "phap day lo snippets", "phap tay loi snippets", "phap dang loi snippets", "phan day loi snippets", "pham day loi 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: (((("phap day loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap day loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap day loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap day loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.