Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hoc doc trinh slippers" » "hoc doc tinh slippers", "hoc doi trinh slippers", "hoc hoc trinh slippers", "hoc duoc trinh slippers", "hoc do trinh slippers", "hoc doc trinh slippery", "hoc doc 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 doc 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 doc trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hoc doc trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hoc doc trinh slippers"))) or ("locating bug code snippets"))*.