Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban huong ve snippets" » "bang phuong ve snippets", "ban hang ve snippets", "anh huong ve snippets", "ban duong ve snippets", "ban cuong ve snippets", "ban huong 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: (((("ban huong 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: (((("ban huong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban huong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban huong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.