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