Perhaps you should try some spelling variations:
"cau vinh java slippers" » "cau trinh java slippers", "van vinh java slippers", "cau danh java slippers", "tan vinh java slippers", "cau vinh java slippery", "cau vinh 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: (((("cau vinh 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: (((("cau vinh java slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau vinh java slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau vinh java slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.