Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran thi hoa snippets" » "tran thi code snippets", "tran thi hoan snippets", "tran thi ha snippets", "tran thi hong snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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 thi hoa snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran thi hoa snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran thi hoa snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran thi hoa snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.