Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui trong so snippets" » "bi trong so snippets", "bai trong so snippets", "tai trong so snippets", "bui trong co snippets", "bui trong su snippets", "bui 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: (((("bui 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: (((("bui trong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui trong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui trong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.