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