Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"duoc hoc dai snippets" » "quoc hoi dai snippets", "duoc hoc dan snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duoc hoc dai snippets") OR ("python using data snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"duoc hoc dai snippets\") OR (\"python using data snippets\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( duoc hoc dai snippets ) OR ( python using data snippets ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc hoc dai snippets") OR ("python using data snippets"))) OR ("locating bug code slippers"))*.