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