Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay manh cua snippets" » "day manh cua snippets", "cay lanh cua snippets", "cay mang cua snippets", "cay doanh cua snippets", "cay ban 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: (((("cay manh 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: (((("cay manh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay manh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay manh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.