Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huy tri cho snippets" » "huu tri cho snippets", "duy tri cho snippets", "huy tran cho snippets", "huy tri co snippets", "huy tri nho snippets", "huy tri chi 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: (((("huy tri cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy tri cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huy tri cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy tri cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.