Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua tai can snippets" » "quan tai can snippets", "qua hai can snippets", "qua cai can snippets", "qua tai san snippets", "qua tai cac snippets", "qua tai ban 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: (((("qua tai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua tai can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua tai can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua tai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.