Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cau lo snippets" » "phan cau lo snippets", "pha cau lo snippets", "phap ca lo snippets", "phap cau do snippets", "phap cau o snippets", "phap cau long 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 cau lo 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 cau lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cau lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cau lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.