Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duoc den do snippets" » "duoc den code snippets", "duoc dien do snippets", "duoc dan do snippets", "duoc dong do snippets", "duoc den o snippets"
"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: (((("duoc den do snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc den do snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duoc den do snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc den do snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.