Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dinh cho hoc snippets" » "dinh cho code snippets", "dinh chon hoc snippets", "danh cho hoc snippets", "dinh chi hoc snippets", "dinh co hoc snippets", "dinh khoa hoc 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 cho hoc 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 cho hoc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dinh cho hoc snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh cho hoc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.