Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan quoc dat snippets" » "dang quoc dat snippets", "han quoc dat snippets", "tran quoc dat snippets", "dan duoc dat snippets", "dan quoc dan snippets", "dan quoc danh 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 quoc dat 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 quoc dat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan quoc dat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan quoc dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.