Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi tat den snippets" » "thoi tiet den snippets", "thoi dai den snippets", "hoi tai den snippets", "thoi tac den snippets", "thoi tot den snippets", "thoi thai den 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 tat den 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 tat den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi tat den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi tat den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.