Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat qua cua snippets" » "hat quan cua snippets", "nhat qua cua snippets", "hai qua cua snippets", "hat quang cua snippets", "hat qua quan 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: (((("hat qua 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: (((("hat qua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat qua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat qua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.