Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach con mot snippets" » "cach hoan mot snippets", "cac cong mot snippets", "cac co mot snippets", "cach chon mot snippets", "cach cong mot snippets", "cach co mot 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 con mot 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 con mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach con mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach con mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.