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