Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich viet de snippets" » "tich viet de snippets", "ninh viet de snippets", "dinh viet de snippets", "lich biet de snippets", "lich viet da snippets", "lich viet du 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: (((("lich viet de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich viet de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich viet de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich viet de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.