Perhaps you should try some spelling variations:
"chat doi trinh snippets" » "chat doc trinh snippets", "chat doi tinh snippets", "chat dong trinh snippets", "chat di trinh snippets", "hat doi trinh snippets", "chat doi trinh 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: (((("chat doi trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat doi trinh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat doi trinh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat doi trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.