Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chat tang du snippets" » "chat tang code snippets", "chat quang du snippets", "nhat trang du snippets", "chat trong du snippets", "chat nang du snippets", "chat hang dau snippets", "chat dang duc 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 tang du 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 tang du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chat tang du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat tang du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.