Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat dan hoi snippets" » "chat dan code snippets", "chat ban hoi snippets", "chat ran hoi snippets", "hat dan hoi snippets", "chat dan hoc snippets", "chat dai hoi snippets", "chat dang khoi 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 dan 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: (((("chat dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat dan hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat dan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.