Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau vang cua snippets" » "bau vang cua snippets", "cau van cua snippets", "cau hoang cua snippets", "cau mang cua snippets", "cau hang cua snippets", "cau tang 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: (((("cau vang 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: (((("cau vang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau vang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau vang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.