Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang gia do snippets" » "nang giao do snippets", "dang gia do snippets", "nhung gia do snippets", "nang gia dao snippets", "nang gia doi snippets", "nang giac 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 gia 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 gia do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang gia do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang gia do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.