Perhaps you should try some spelling variations:
"tinh than java slippers" » "tinh thanh java slippers", "tinh toan java slippers", "tinh thai java slippers", "tinh think java slippers", "tinh than va slippers", "tinh than java slippery", "tinh than java grippers"
"dung java java snippets" » "dung 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: (((("tinh than java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh than java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh than java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh than java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.