Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang cua trong slippers" » "hang cua truong slippers", "hang cua trung slippers", "hang qua trong slippers", "mang cua trong slippers", "hang ca trong slippers", "huong cua trong slippers", "hang cua trong slippery", "hang cua trong grippers"
"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: (((("dung java java snippets") or ("hang cua trong slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hang cua trong slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hang cua trong slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hang cua trong slippers"))) or ("locating bug code snippets"))*.