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