Perhaps you should try some spelling variations:
"dac tan cong snippets" » "dac tan code snippets", "dac tan cuong snippets", "dac tran cong snippets", "dac toan cong snippets", "duc tan cong snippets", "dac san cong snippets", "dai tan 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 ("dac 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 ("dac tan cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dac tan cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dac tan cong snippets"))) or ("locating bug core snippets"))*.