Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach vi doi snippets" » "cac vi doi snippets", "mach vi doi snippets", "cach viet doi snippets", "cach voi doi snippets", "cach vi dai snippets", "cach va doi 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 vi doi 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 vi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach vi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach vi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.