Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat con cua snippets" » "tao con cua snippets", "ta con cua snippets", "vat con cua snippets", "tat cong cua snippets", "tat co cua snippets", "tat dong 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: (((("tat con 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: (((("tat con cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat con cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat con cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.