Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gio tri cham snippets" » "gio thi cham snippets", "gio tri chat snippets", "gio tri tham snippets", "gia tri cham snippets", "gioi tai 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: (((("gio tri 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: (((("gio tri cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gio tri cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gio tri cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.