Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh viet ve snippets" » "ninh viet ve snippets", "danh viet ve snippets", "trinh viet ve snippets", "dinh biet ve snippets", "dinh viet va snippets", "dinh viet viet 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: (((("dinh viet 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: (((("dinh viet ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh viet ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh viet ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.