Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh co cham snippets" » "anh co cham snippets", "lang co cham snippets", "danh co cham snippets", "lanh ca cham snippets", "lanh co champa snippets", "lanh cao chat 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: (((("lanh co 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: (((("lanh co cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh co cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh co cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.