Perhaps you should try some spelling variations:
"dan toi chuc snippets" » "dan toi code snippets", "dan hoi chuc snippets", "dan loi chuc snippets", "dan toi chu snippets", "dan toc chuc snippets", "dan thi chuc snippets", "van toi chuc snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("dan toi chuc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan toi chuc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan toi chuc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan toi chuc snippets"))) or ("locating bug core snippets"))*.