Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi su cham snippets" » "khoi su cham snippets", "thong su cham snippets", "thoi rua cham snippets", "thoi su pham snippets", "thoi tu cham snippets", "thoi 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: (((("thoi su 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: (((("thoi su cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi su cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi su cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.