Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh cong de snippets" » "trinh cong de snippets", "tinh cuong de snippets", "minh cong de snippets", "tinh cong da snippets", "tinh cong ve snippets", "tinh cong dieu 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 cong 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 cong de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh cong de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh cong de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.