Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truan do he snippets" » "truan doi he snippets", "tuan do he snippets", "chuan do he snippets", "truan do ke snippets", "truan do le snippets", "truan do ve 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: (((("truan do he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan do he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truan do he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truan do he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.