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