Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi ca cham snippets" » "phi cau cham snippets", "phi va cham snippets", "phi co cham snippets", "phi ha cham snippets", "thi 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: (((("phi 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: (((("phi ca cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi ca cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi ca cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.