Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap du cua snippets" » "thap du cua snippets", "lap du cua snippets", "tap de cua snippets", "tap duy cua snippets", "tap dau cua snippets", "tap dum 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: (((("tap du 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: (((("tap du cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap du cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap du cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.