Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuoc khoi de snippets" » "cuoc khoi code snippets", "buoc khoi de snippets", "cuoc doi de snippets", "quoc hoi de snippets", "cuoc khi de snippets", "cuoc khoa de snippets", "cuoc khoi he 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: (((("cuoc khoi de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc khoi de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuoc khoi de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc khoi de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.