Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi co cua snippets" » "thi mo cua snippets", "thi cu cua snippets", "thi bo cua snippets", "thi con cua snippets", "thi ca cua snippets", "thi cong cua 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: (((("thi co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.