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