Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua sang do snippets" » "cua sang do snippets", "lua sang do snippets", "qua sang do snippets", "bua dang do snippets", "bua tang do snippets", "bua sang tao 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: (((("bua sang 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: (((("bua sang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua sang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua sang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.