Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran nhan ca snippets" » "tran nhan code snippets", "tran nhat ca snippets", "tan nhan ca snippets", "tran han ca snippets", "tran nhan cua snippets", "tran nhan va snippets", "tran nhap ca 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: (((("tran nhan ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran nhan ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran nhan ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran nhan ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.