Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"can wu doi snippets" » "can wu code snippets", "can we doi snippets", "fan wu doi snippets", "lan wu doi snippets", "can tu doi snippets", "can nu doi snippets", "can su doi 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: (((("python using java snippets") or ("can wu doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can wu doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( can wu doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("can wu doi snippets"))) or ("locating bug core snippets"))*.