Perhaps you should try some spelling variations:
"using java can snippets" » "using data can snippets"
"dung ung con snippets" » "dung trung con snippets", "dung quang con snippets", "dung chung con snippets", "dung dung con snippets", "dung ung co snippets", "dung ung ion snippets"
"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 can snippets") or ("dung ung con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java can snippets") OR ("dung ung con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java can snippets ) or ( dung ung con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java can snippets") or ("dung ung con snippets"))) or ("locating bug code snippets"))*.