Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat cho doi snippets" » "chat cho code snippets", "chat co doi snippets", "chat thom doi snippets", "cap cho doi snippets", "chat cho moi snippets", "chat cuoc doi snippets", "chat cho tuoi 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: (((("chat cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat cho doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat cho doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.