Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mao chan cho snippets" » "mao can cho snippets", "mau chan cho snippets", "cao chat cho snippets", "mao chat cho snippets", "mao han cho snippets", "mao chuan chon 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: (((("mao chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mao chan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mao chan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mao chan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.