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