Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong cum cua snippets" » "dong cua cua snippets", "dong cuc cua snippets", "duong cua cua snippets", "dong cu cua snippets", "dong cuu cua snippets", "dong dum 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: (((("dong cum 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: (((("dong cum cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cum cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cum cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.