Perhaps you should try some spelling variations:
"dam cao dong snippets" » "dam cao code snippets", "dam cao dang snippets", "dam lao dong snippets", "dam cao cong snippets", "dam bao dong snippets", "nam cao dong snippets", "dam rao dong 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 ("dam cao dong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dam cao dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dam cao dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dam cao dong snippets"))) or ("locating bug core snippets"))*.