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