Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu thuy cua snippets" » "thu thuy code snippets", "thi thuy cua snippets", "thuc thuc cua snippets", "thu thuat cua snippets", "thu thuc cua snippets", "thu thu cua snippets", "thu thuyet cua snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

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

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