Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua che don snippets" » "cuu che don snippets", "cua chu don snippets", "cua cha don snippets", "cua che do snippets", "cua che mon snippets", "cua che duoc 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: (((("cua che don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua che don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua che don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua che don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.