Perhaps you should try some spelling variations:
"dong cac che snippets" » "duong cac che snippets", "dong bac che snippets", "dung cac che snippets", "dong cac he snippets", "dong cac chien snippets", "dong cac chat snippets"
"dang su code snippets" » "dan su code snippets", "dung su code snippets", "nang su code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang su code snippets") or ("dong cac che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang su code snippets") OR ("dong cac che snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( dang su code snippets ) or ( dong cac che snippets ))) or ( locating bug code snippets ))*.