Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi nao noi snippets" » "khi giao noi snippets", "khi nhan noi snippets", "khi nam noi snippets", "khi dao noi snippets", "khi nang noi 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: (((("khi nao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi nao noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi nao noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi nao noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.