Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan dai hoi snippets" » "nhan dai code snippets", "nhan tai hoi snippets", "nhan dan hoi snippets", "phan dai hoi snippets", "nhan dai hoc snippets", "nhan dai hai snippets", "nhan dai moi 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: (((("nhan dai 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: (((("nhan dai hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan dai hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dai hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.