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