Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro what can snippets" » "tro phat can snippets", "ro nhat can snippets", "tro ha can snippets", "tro hau can snippets", "tro bat can snippets", "tro pham can 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: (((("tro what can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro what can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro what can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro what can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.