Perhaps you should try some spelling variations:
"bot cong chuc snippets" » "bot cong thuc snippets", "bot cong cu snippets", "bot cong cua snippets", "bo cong chuc snippets", "mot cong chuc snippets", "bat cong chuc snippets"
"dung java java snippets" » "dung va java 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: (((("bot cong chuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bot cong chuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot cong chuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot cong chuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.