Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang phuc do snippets" » "nang thuc do snippets", "trang phuc do snippets", "nang luc do snippets", "nang phuc co snippets", "nang phac do snippets", "nang phu do 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: (((("nang phuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang phuc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang phuc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang phuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.