Perhaps you should try some spelling variations:
"dung chi chuc snippets" » "dung chi code snippets", "dung cho chuc snippets", "dung thi chuc snippets", "dung chien chuc snippets", "dung chi cuc snippets", "dung chi chua snippets", "dung chim choc snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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: (((("dung chi chuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chi chuc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung chi chuc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chi chuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.