Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giang hoi ve snippets" » "gian hoi ve snippets", "giang hai ve snippets", "quang hoi ve snippets", "giang hoi va snippets", "giang moi ve snippets", "giang noi ve 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: (((("giang hoi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giang hoi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang hoi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang hoi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.