Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac can doc snippets" » "tac van doc snippets", "tac quan doc snippets", "tac vang doc snippets", "tac nang doc snippets", "tac than doc snippets", "tac can dong 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 can doc 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 can doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac can doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac can doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.