Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach ben den snippets" » "cach bien den snippets", "bach benh den snippets", "mach benh den snippets", "cach ban den snippets", "cach ben chen snippets", "cach biet den 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: (((("cach ben den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach ben den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach ben den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach ben den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.