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