Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"xuan thuy java slippers" » "xuan huy java slippers", "xuan thu java slippers", "tuan thu java slippers", "xuan thuy java slippery", "xuan thuy 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: (((("xuan thuy 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: (((("xuan thuy java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuan thuy java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuan thuy java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.