Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau vinh do snippets" » "van vinh do snippets", "cau danh do snippets", "tan vinh do snippets", "cau kinh do snippets", "cau tinh do snippets", "cau trinh do 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: (((("cau vinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau vinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau vinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau vinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.