Perhaps you should try some spelling variations:
"dac san cong snippets" » "dac san code snippets", "dac sang cong snippets", "dac van cong snippets", "dac ban cong snippets", "dac sac cong snippets", "cac san cong snippets", "dac nhan 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 san 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 san cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dac san cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dac san cong snippets"))) or ("locating bug core snippets"))*.