Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"dong hoc d snippets" » "dong co d snippets", "dong luc d snippets", "dong hoc do snippets", "dong hoc de snippets", "dong hoc du snippets"

You may be able to get more results by adjusting your search query.

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