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