Perhaps you should try some spelling variations:
"danh chi code snippets" » "danh cho code snippets", "dinh chi code snippets", "banh chi code snippets", "danh cfd code snippets", "danh chi con snippets", "danh chi cong snippets", "danh chi code 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"

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: (((("danh chi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh chi code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh chi code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh chi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.