Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban hanh coc snippets" » "ban hang coc snippets", "ban hanh cac snippets", "ban hanh cong snippets", "ban hanh duoc 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: (((("ban hanh coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban hanh coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban hanh coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban hanh coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.