Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao thuc co snippets" » "tao thuoc co snippets", "bao thuc co snippets", "vao thuc co snippets", "tao tuc co snippets", "tao thuat co snippets", "tao thuc cua 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 thuc co 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 thuc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao thuc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao thuc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.