Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua bai lon snippets" » "cua ban lon snippets", "cua dai lon snippets", "cua bac lon snippets", "cua bai con snippets", "cua bay lon snippets", "cua lai lon 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 bai lon 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 bai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua bai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua bai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.