Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach noi du snippets" » "cach thoi du snippets", "hanh noi du snippets", "anh noi du snippets", "cach noi dau snippets", "cach noi da snippets", "cach noi de 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 noi 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 noi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach noi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach noi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.