Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue hoc doi snippets" » "thu hoc doi snippets", "thue khac doi snippets", "thue thuc doi snippets", "thue hoc dai snippets", "thue hoc noi snippets", "thue hoc moi 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: (((("thue hoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thue hoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue hoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue hoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.