Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim mat cua snippets" » "tim man cua snippets", "tim mach cua snippets", "tien mat cua snippets", "tim ma cua snippets", "tim manh cua snippets", "tim mang cua 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: (((("tim mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.