Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai yang du snippets" » "hai bang du snippets", "hai dang du snippets", "han yang du snippets", "hai nang du snippets", "hai tang du snippets", "hai hang du 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: (((("hai yang 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: (((("hai yang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai yang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai yang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.