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