Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan binh so snippets" » "tran binh so snippets", "tang binh so snippets", "van binh so snippets", "tan dinh so snippets", "tan hinh so snippets", "tan kinh so 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: (((("tan binh 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: (((("tan binh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan binh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan binh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.