Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"benh kho cong snippets" » "benh khong cong snippets", "benh phoi cong snippets", "benh hoc cong snippets", "benh khoa cong snippets", "benh khoe cong snippets", "benh cho cong 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: (((("benh kho cong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("benh kho cong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( benh kho cong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("benh kho cong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.