Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuat bao so snippets" » "thuat bai so snippets", "thuat giao so snippets", "thuat do so snippets", "thuat bao co snippets", "thuat bao ho 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: (((("thuat bao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuat bao so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuat bao so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuat bao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.