Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"anh tran java slippers" » "anh trinh java slippers", "anh tuan java slippers", "anh toan java slippers", "anh trac java slippers", "anh tran java slippery", "anh tran 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: (((("anh tran java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh tran java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tran java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tran java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.