Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ha chau snippets" » "nhat hoa chau snippets", "nha ha chau snippets", "khat ha chau snippets", "nhat hat chau snippets", "nhat a chau snippets", "nhat 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: (((("nhat 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: (((("nhat ha chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ha chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ha chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.