Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"sang co trinh slippers" » "sang co tranh slippers", "sang cong trinh slippers", "sang tao trinh slippers", "sang cho trinh slippers", "san co trinh slippers", "nang co trinh slippers", "sang co trinh slippery", "sang co 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 ("sang co 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 ("sang co trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( sang co trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("sang co trinh slippers"))) or ("locating bug code snippets"))*.