Perhaps you should try some spelling variations:
"cua van canh snippets" » "cua van code snippets", "cua van anh snippets", "cua van hanh snippets", "cua van manh snippets", "cua ban canh snippets", "cua dan canh snippets", "cua vat canh snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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