Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap pham cau snippets" » "tac pham cau snippets", "tuan pham cau snippets", "san pham cau snippets", "tap phan cau snippets", "tap pham ca snippets", "tap pham can 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: (((("tap pham cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap pham cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap pham cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap pham cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.