Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ca cong toan snippets" » "ca cong code snippets", "ca cong tan snippets", "ca cong hoan snippets", "ca cong tuan snippets", "cua cong toan snippets", "cac cong toan snippets", "cao cong toan 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: (((("ca cong toan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ca cong toan snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( ca cong toan snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca cong toan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.