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