Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang theo du snippets" » "hanh theo du snippets", "tang thi du snippets", "tang theo dau snippets", "tang theo tu snippets", "tang theo duoi 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 theo du 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 theo du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang theo du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang theo du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.