Perhaps you should try some spelling variations:
"hanh chinh che snippets" » "hanh chinh cho snippets", "hanh chinh phu snippets", "hanh chinh nha snippets", "thanh chinh che snippets", "anh chinh che snippets", "hinh chinh che 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: (((("hanh chinh che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh chinh che snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh chinh che snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh chinh che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.