Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao hanh he snippets" » "dao hanh he snippets", "bao hanh he snippets", "tao anh he snippets", "tao hanh che snippets", "tao hanh ve snippets", "tao hanh de 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: (((("tao hanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao hanh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao hanh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao hanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.