Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai tap don snippets" » "hai thap don snippets", "bai tap don snippets", "han tap don snippets", "hai tap doan snippets", "hai tap dong snippets", "hai tap ion 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 tap don 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 tap don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai tap don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai tap don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.