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