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