Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich hang ca snippets" » "dich han ca snippets", "dich sang ca snippets", "dinh thang ca snippets", "dich hang va snippets", "dich nang cao snippets", "dich hang tai 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: (((("dich hang 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: (((("dich hang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.