Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuon dan soc snippets" » "cuon dan code snippets", "cuon danh soc snippets", "cuoi dan soc snippets", "cuong danh soc snippets", "cuon dan toc snippets", "cuon dan hoc snippets", "cuon dan so 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: (((("cuon dan soc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon dan soc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuon dan soc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuon dan soc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.