Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc dao danh slippers" » "doc dao doanh slippers", "doc do danh slippers", "doc dao dan slippers", "toc dao danh slippers", "duc dao danh slippers", "hoc dao danh slippers", "doc dao danh slippery", "doc dao danh 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 dao danh 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 dao danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc dao danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc dao danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.