Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua hoa ho snippets" » "qua hoat ho snippets", "qua khoa ho snippets", "qua hoa hoc snippets", "qua hoa cho snippets", "qua hoa hoi 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 hoa ho 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 hoa ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua hoa ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua hoa ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.