Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao xanh di snippets" » "tao anh di snippets", "tao canh di snippets", "tao danh di snippets", "tao vanh dai snippets", "tao xanh tai 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 xanh di 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 xanh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao xanh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao xanh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.