Perhaps you should try some spelling variations:
"xuan dinh cong snippets" » "xuan dinh cuong snippets", "xuan dinh hong snippets", "xuan dinh long snippets", "quan dinh cong snippets", "luan dinh cong snippets", "xuat dinh cong 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: (((("xuan dinh 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: (((("xuan dinh cong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuan dinh cong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuan dinh cong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.