Perhaps you should try some spelling variations:
"reading dba cau snippets" » "reading a cau snippets", "reading da cau snippets", "reading ba cau snippets", "reading dbva cau snippets", "reading dba chau snippets", "reading dbda cau snippets"
"creating a cau snippets" » "creating _ cau snippets", "reading a cau snippets", "creating va cau snippets", "creating a chau snippets", "creating da cau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("reading dba cau snippets") or ("creating a cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading dba cau snippets") OR ("creating a cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( reading dba cau snippets ) or ( creating a cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("reading dba cau snippets") or ("creating a cau snippets"))) or ("locating bug code snippets"))*.