Perhaps you should try some spelling variations:
"lang lieu phan snippets" » "lang lien phan snippets", "lang bien phan snippets", "lang viet phan snippets", "lang lieu phap snippets", "lang lieu phuc snippets", "lang lieu tham snippets", "lang lieu phan 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: (((("lang lieu phan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang lieu phan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang lieu phan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang lieu phan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.