Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"le manh tu slippers" » "le minh tu slippers", "le anh tu slippers", "le thanh tu slippers", "le danh tu slippers", "le hanh tu slippers", "le manh tu slippery", "le manh tu grippers"
"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: (((("le manh tu slippers") or ("python missing data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le manh tu slippers") OR ("python missing data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le manh tu slippers ) or ( python missing data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le manh tu slippers") or ("python missing data snippets"))) or ("locating bug code snippets"))*.