Perhaps you should try some spelling variations:
"chun su cong snippets" » "chun su code snippets", "chuc su cong snippets", "chun yu cong snippets", "chuyen su cong snippets", "chun su cuong snippets", "chun sua cong snippets", "chun tu cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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 data snippets") OR ("chun su cong snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using data snippets\") OR (\"chun su cong snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using data snippets ) OR ( chun su cong snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") OR ("chun su cong snippets"))) OR ("locating bug core snippets"))*.