Perhaps you should try some spelling variations:
"lai chuan doan snippets" » "lai chan doan snippets", "loi nhuan doan snippets", "lai chau doan snippets", "lai cua doan snippets"
"python using a grippers" » "python using a slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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