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