Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"using sat che snippets" » "using data che snippets", "using a che snippets", "using raw che snippets", "using sach che snippets", "using sang che snippets", "using hat cheo 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 sat che snippets") or ("dung using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using sat che snippets") OR ("dung using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using sat che snippets ) or ( dung using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using sat che snippets") or ("dung using java snippets"))) or ("locating bug code snippets"))*.