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