Perhaps you should try some spelling variations:
"cua thuoc java slippers" » "cua thuoc va slippers", "nha thuoc java slippers", "cay thuoc java slippers", "cua nuoc java slippers", "cua thuoc java slippery", "cua thuoc 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: (((("cua thuoc 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: (((("cua thuoc java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua thuoc java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua thuoc java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.