Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoa vu cham snippets" » "hoa va cham snippets", "hoa vu kham snippets", "hoa tu cham snippets", "hoa vo cham snippets", "hoa vi 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: (((("hoa vu 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: (((("hoa vu cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa vu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa vu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.