Perhaps you should try some spelling variations:
"luong java java snippets" » "luong va java snippets"
"dung cau danh slippers" » "dung chau danh slippers", "dung cu danh slippers", "dung cac danh slippers", "dung cao danh slippers", "dung chuc danh slippers", "dung nam danh slippers", "dung cau danh slippery", "dung cau danh 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 cau danh slippers") or ("luong java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cau danh slippers") OR ("luong java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cau danh slippers ) or ( luong java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cau danh slippers") or ("luong java java snippets"))) or ("locating bug code snippets"))*.