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