Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan vo mo snippets" » "nhan va mo snippets", "nhan mo mo snippets", "than vo mo snippets", "nhan vi mo snippets", "nhan vo co 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 vo mo 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 vo mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan vo mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan vo mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.