Perhaps you should try some spelling variations:
"dan hoi cham snippets" » "dan hoi code snippets", "dan hoi chuc snippets", "dan hoi chu snippets", "dan toc cham snippets", "dan hoc cham snippets", "dai hoi cham snippets", "dang khoi cham snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 hoi cham 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 hoi cham snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan hoi cham snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan hoi cham snippets"))) or ("locating bug core snippets"))*.