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