Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"ngoc khu java snippets" » "nuoc khu java snippets", "ngoc chu java snippets", "ngoc thu java snippets", "ngoc ngu java snippets", "ngoc khu va snippets", "ngoc khu java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("ngoc khu java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc khu java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc khu java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc khu java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.