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