Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh voi con snippets" » "sinh moi con snippets", "binh voi con snippets", "minh voi con snippets", "sinh voi cong snippets", "sinh voi chon snippets", "sinh voi can 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: (((("sinh voi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh voi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh voi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh voi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.