Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri cau tao slippers" » "tri cac tao slippers", "tri dau tao slippers", "trinh cau tao slippers", "tri cau tao slippery", "tri cau tao 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: (((("tri cau tao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri cau tao slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri cau tao slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri cau tao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.