Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc van don snippets" » "thuc van code snippets", "thuc vat don snippets", "thuc dan don snippets", "thuc va don snippets", "thuc van dong snippets", "thuc van doan snippets", "thuc van dan snippets"
"python using java snippets" » "python using 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: (((("thuc van don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc van don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuc van don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc van don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.