Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc nhan du snippets" » "thuoc nhan du snippets", "thu nhan du snippets", "thuc chan du snippets", "thuc nhan su snippets", "thuc han du snippets", "thuc nhan xu 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: (((("thuc nhan 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: (((("thuc nhan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc nhan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc nhan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.