Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach tru du snippets" » "cach tu du snippets", "cac tru du snippets", "cach thuc du snippets", "cach truc du snippets", "cach tru su 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 tru du 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 tru du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach tru du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach tru du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.