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