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