Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh doi de snippets" » "trinh doc de snippets", "trinh do de snippets", "tinh hoc de snippets", "tinh doi deu snippets", "tinh dai de snippets", "tinh moi de 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 doi de 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 doi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh doi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh doi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.