Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ha chau snippets" » "nhanh ha chau snippets", "nhan hoa chau snippets", "nhan va chau snippets", "nhan hat chau snippets", "nhan a chau snippets", "nhan lai chau 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: (((("nhan ha chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ha chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ha chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ha chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.