Perhaps you should try some spelling variations:
"creating ca cau snippets" » "creating a cau snippets", "creating _ cau snippets", "creating cac cau snippets", "creating can cau snippets", "creating cua cau snippets"
"reading va cau snippets" » "reading a cau snippets", "reading _ cau snippets", "reading 1 cau snippets", "reading van cau snippets", "reading va cac snippets", "reading va dau 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 va cau snippets") or ("creating ca cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading va cau snippets") OR ("creating ca cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( reading va cau snippets ) or ( creating ca cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("reading va cau snippets") or ("creating ca cau snippets"))) or ("locating bug code snippets"))*.