Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dung cac lich slippers" » "luong cac lich slippers", "dung cho lich slippers", "dung tai lich slippers", "dung vat lich slippers", "dung cac tinh slippers", "dung hoc lich slippers", "dung cac lich slippery", "dung cac lich 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 cac lich slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac lich slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac lich slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac lich slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.