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