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