Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hanh ong snippets" » "huu han ong snippets", "luu hanh ong snippets", "thuc hanh ong snippets", "huu hanh dong snippets", "huu hanh cong snippets", "huu hinh ong 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: (((("huu hanh ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu hanh ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hanh ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hanh ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.