Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hai cuc nhat snippets" » "hai luc nhat snippets", "hai tuc nhat snippets", "hai nuoc nhat snippets", "tai cuc nhat snippets", "hai cua nhat snippets", "thai cua nhat snippets", "hai cuc nhat slippers"
"locating bug code snippets" » "locating bug code slippers", "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 cuc nhat 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 cuc nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai cuc nhat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai cuc nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.