Perhaps you should try some spelling variations:
"tri co cong snippets" » "tri co code snippets", "tri cao cong snippets", "tri cho cong snippets", "tri bo cong snippets", "tai co cong snippets", "trinh co 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 ("tri co 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 ("tri co cong snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tri co cong snippets ))) or ( locating bug core snippets ))*.