Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi dia cua snippets" » "doi dia cua snippets", "hoi gia cua snippets", "noi dia cua snippets", "hoi da cua snippets", "hoi di 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: (((("hoi dia 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: (((("hoi dia cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi dia cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dia cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.