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