Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap hoc ao snippets" » "phap hoan ao snippets", "phap mo ao snippets", "phap han ao snippets", "phap hoc cao snippets", "phap hoc bao snippets", "phap hoc dao 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: (((("phap hoc ao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap hoc ao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap hoc ao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap hoc ao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.