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