Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"voi dinh cuu snippets" » "doi dinh cuu snippets", "hoi dinh cuu snippets", "toi dinh cuu snippets", "voi dinh chi 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: (((("voi dinh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi dinh cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi dinh cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi dinh cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.