Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soi duong ve snippets" » "boi duong ve snippets", "hai duong ve snippets", "doi tuong ve snippets", "soi duong va snippets", "soi duong vien snippets", "soi duong van 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: (((("soi duong 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: (((("soi duong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soi duong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soi duong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.