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