Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"thanh hai java slippers" » "thanh phan java slippers", "thanh hoa java slippers", "thanh san java slippers", "thanh hai va slippers", "thanh hai java slippery", "thanh hai 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: (((("thanh hai 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: (((("thanh hai java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh hai java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh hai java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.