Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tram nam hoi snippets" » "tra nam hoi snippets", "tram cam hoi snippets", "pham nam hoi snippets", "tram nam khoa 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: (((("tram nam hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tram nam hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tram nam hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tram nam hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.