Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"data using java snippets" » "data using data snippets"
"dung thi danh snippets" » "dung tai danh snippets", "dung tri danh snippets", "dung chi danh snippets", "dung thai danh snippets", "dung thi hanh snippets", "dung thi anh 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 thi danh snippets") or ("data using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thi danh snippets") OR ("data using java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( dung thi danh snippets ) or ( data using java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi danh snippets") or ("data using java snippets"))) or ("locating bug code slippers"))*.