Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang binh co snippets" » "tan binh co snippets", "quang binh co snippets", "thanh binh co snippets", "tang binh cao snippets", "tang benh co snippets", "tang kinh co 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: (((("tang binh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang binh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang binh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang binh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.