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