Perhaps you should try some spelling variations:
"dai tan cong snippets" » "dai tan code snippets", "dai tan cuong snippets", "dai tran cong snippets", "dai toan cong snippets", "dai han cong snippets", "hai tan cong snippets", "dai tai cong 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 ("dai tan cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dai tan cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dai tan cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dai tan cong snippets"))) or ("locating bug core snippets"))*.