Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan quan so snippets" » "dan quan code snippets", "van quan so snippets", "ban quan so snippets", "dan luan so snippets", "dan quan su snippets", "dan quan doi snippets", "dan quan sat 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 quan so 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 quan so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan quan so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan quan so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.