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