Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai trong so snippets" » "bi trong so snippets", "tai trong so snippets", "bui trong so snippets", "bai trong co snippets", "bai trong su snippets", "bai trong o 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: (((("bai trong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai trong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai trong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai trong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.