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