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