Perhaps you should try some spelling variations:
"doanh cung dat snippets" » "doanh chung dat snippets", "doanh nhung dat snippets", "doanh quang dat snippets", "doanh dung dat snippets", "doanh vung dat snippets", "doanh cuong dao snippets", "doanh cung dat slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("python using a snippets") or ("doanh cung dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("doanh cung dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( doanh cung dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("doanh cung dat snippets"))) or ("locating bug code snippets"))*.