Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan hanh bo snippets" » "dang hanh bo snippets", "dan khanh bo snippets", "dan thanh bo snippets", "dan hoanh bo snippets", "dan hanh mo snippets", "dan hanh noi 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: (((("dan hanh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hanh bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan hanh bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan hanh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.