Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den ca cham snippets" » "den cau cham snippets", "den va cham snippets", "den co cham snippets", "den cac cham snippets", "den cam cham snippets", "dien ca cham 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: (((("den ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den ca cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den ca cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.