Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tuong ve snippets" » "moi truong ve snippets", "doi song ve snippets", "doi duong ve snippets", "doi cuong ve snippets", "doi tuong va 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: (((("doi tuong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tuong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tuong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tuong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.