Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang how can snippets" » "tang ho can snippets", "tong hop can snippets", "hang hoa can snippets", "tang hoc can snippets", "tang khoa can snippets", "tang khoi can 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 how can 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 how can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang how can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang how can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.