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