Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"luat dau java slippers" » "luat dat java slippers", "luat dan java slippers", "bat dau java slippers", "luat dau va slippers", "luat ngu java slippers", "luat dau java slippery", "luat dau 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: (((("luat dau 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: (((("luat dau java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat dau java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat dau java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.