Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi cho do snippets" » "hoi cho do snippets", "choi chu do snippets", "nhoi cho do snippets", "choi cho dao snippets", "choi cho doi snippets", "choi cho ro 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: (((("choi cho do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi cho do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi cho do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi cho do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.