Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac phat coc snippets" » "tac pham coc snippets", "tam phat coc snippets", "tan phat coc snippets", "tac phap coc snippets", "tac chat co snippets", "tac phan 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: (((("tac phat 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: (((("tac phat coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac phat coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac phat coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.