Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bau mat cua snippets" » "bao mat cua snippets", "bau vat cua snippets", "dau mat cua snippets", "bau ma cua snippets", "bau manh cua snippets", "bau mang 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: (((("bau mat 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: (((("bau mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bau mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bau mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.