Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hay cua hoc snippets" » "day cua hoc snippets", "hai cua hoc snippets", "ham cua hoc snippets", "hay cua hoi snippets", "hay cua thuoc snippets", "hay cua nuoc 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: (((("hay cua hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hay cua hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hay cua hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hay cua hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.