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