Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat via cua snippets" » "nhat giao cua snippets", "nhat giua cua snippets", "nhat viet cua snippets", "nhat gia cua snippets", "nhat gian cua snippets", "nhat giau 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: (((("nhat via 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: (((("nhat via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.