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