Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai phan hoc snippets" » "thai phan hoc snippets", "tai phan hoc snippets", "hai pham hoc snippets", "hai phap hoc snippets", "hai phan hoa snippets", "hai phau hoc 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: (((("hai phan 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: (((("hai phan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai phan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai phan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.