Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"toan do trinh slippers" » "toan doc trinh slippers", "toan doi trinh slippers", "toan co trinh slippers", "toan ho trinh slippers", "toan du trinh slippers", "toan do trinh slippery", "toan do 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: (((("toan do trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan do trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan do trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan do trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.