Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gio tri doan snippets" » "gio tri doanh snippets", "gio thi doan snippets", "gio tri hoan snippets", "gia tri doan snippets", "gioi tai doan 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: (((("gio tri doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gio tri doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gio tri doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gio tri doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.