Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dinh cua moi snippets" » "dinh cua code snippets", "dinh cuu moi snippets", "sinh cua moi snippets", "dinh cu moi snippets", "dinh cua mot snippets", "dinh cua hoi 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: (((("dinh cua moi snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh cua moi snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dinh cua moi snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh cua moi snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.