Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh voi con snippets" » "trinh voi con snippets", "tinh doi con snippets", "binh voi con snippets", "tinh voi cong snippets", "tinh voi chon snippets", "tinh 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: (((("tinh 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: (((("tinh voi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh voi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh voi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.