Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len cai cach snippets" » "len loi cach snippets", "len tai cac snippets", "len va cach snippets", "len choi cach snippets", "levi cai cach snippets", "ling cai cach 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: (((("len cai cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len cai cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len cai cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len cai cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.