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