Perhaps you should try some spelling variations:
"bo cau chieu snippets" » "bo cau code snippets", "bo cac chieu snippets", "bo cau chiu snippets", "bo cao hieu snippets", "co cau chieu 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: (((("bo cau chieu snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"bo cau chieu snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( bo cau chieu snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bo cau chieu snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))*.