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