Perhaps you should try some spelling variations:
"python using one snippets" » "python using open snippets", "python using pre snippets", "python using online snippets"
"duc trinh ly snippets" » "duc thinh ly snippets", "doc trinh ly snippets", "qua trinh ly snippets", "duc trinh ky snippets", "duc trinh do snippets", "duc trinh tu 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: (((("python using one snippets") or ("duc trinh ly snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using one snippets") OR ("duc trinh ly snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using one snippets ) or ( duc trinh ly snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using one snippets") or ("duc trinh ly snippets"))) or ("locating bug code snippets"))*.