Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc anh tuan slippers" » "doc hanh tuan slippers", "duoc anh tuan slippers", "duc anh tuan slippers", "doc anh quan slippers", "doc anh tran slippers", "doc anh luan slippers", "doc anh tuan slippery", "doc anh tuan 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: (((("doc anh tuan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc anh tuan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc anh tuan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc anh tuan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.