Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"can trang do snippets" » "can tranh do snippets", "ban trang do snippets", "cai trang do snippets", "can trang o snippets", "can tang do snippets", "can trang de snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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 code snippets") or ("can trang do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("can trang do snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can trang do snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can trang do snippets"))) or ("locating bug code snippets"))*.