Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhoi hau den snippets" » "nhoi mau den snippets", "khi hau den snippets", "hoi ha den snippets", "nhoi cau den snippets", "nhoi thau dien snippets", "nhoi 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: (((("nhoi hau 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: (((("nhoi hau den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhoi hau den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhoi hau den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.