Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai chi cho snippets" » "thai chi cho snippets", "tai chi cho snippets", "hai thi cho snippets", "hai choi cho snippets", "hai chinh cho snippets", "hai chim choc 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: (((("hai chi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai chi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai chi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai chi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.