Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau tai so snippets" » "cau thi so snippets", "cao tai so snippets", "cau tao so snippets", "cau tai sao snippets", "cau dai so snippets", "cau tai co 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 tai so 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 tai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau tai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau tai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.