Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang le hoc snippets" » "tang li hoc snippets", "tang ly hoc snippets", "tang le hoi snippets", "nang le hoc snippets", "dang le hoc snippets", "bang le hoc 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 le hoc 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 le hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang le hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang le hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.