Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"san cho con snippets" » "sang cho con snippets", "san chi con snippets", "san co con snippets", "san cho cong snippets", "san cho lon snippets", "san cho can 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: (((("san cho con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san cho con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cho con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cho con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.