Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"que toi da snippets" » "que tai da snippets", "quen voi da snippets", "quen tot da snippets", "que toi la snippets", "que thoi dai 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: (((("que toi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("que toi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( que toi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("que toi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.