Perhaps you should try some spelling variations:
"thi cong soan snippets" » "thi cong san snippets", "thi cong hoan snippets", "thi cong doan snippets", "tai cong soan snippets", "thien cong soan snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low 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: (((("thi cong soan snippets") or ("python using raw snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cong soan snippets") OR ("python using raw snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cong soan snippets ) or ( python using raw snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cong soan snippets") or ("python using raw snippets"))) or ("locating bug code snippets"))*.