Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh chat ve snippets" » "tinh chat va snippets", "tinh nhat ve snippets", "tinh chat vo snippets", "trinh chat ve snippets", "dinh chat ve snippets", "minh chat ve snippets"
"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: (((("tinh chat ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh chat ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh chat ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh chat ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.