Perhaps you should try some spelling variations:
"trong from data snippets" » "trong trot data snippets", "trong from vat snippets"
"dung dung cong snippets" » "duong dung cong snippets", "ung dung cong snippets", "dung ung cong snippets", "dung dung trong 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: (((("trong from data snippets") or ("dung dung cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong from data snippets") OR ("dung dung cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong from data snippets ) or ( dung dung cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong from data snippets") or ("dung dung cong snippets"))) or ("locating bug code snippets"))*.