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