Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc viet da snippets" » "thuc viet code snippets", "hoc viet da snippets", "thuc hien da snippets", "thuc vat da snippets", "thuc viet dao snippets", "thuc viet dat snippets", "thuc viet ha 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 viet da 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 viet da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuc viet da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc viet da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.