Perhaps you should try some spelling variations:
"mang may thuat snippets" » "mang my thuat snippets", "mang ma thuat snippets", "mang ky thuat snippets", "nang may thuat snippets", "dang may thuat snippets", "bang may thuat snippets", "mang may thuat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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: (((("mang may thuat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mang may thuat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mang may thuat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mang may thuat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.