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