Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien can chi snippets" » "vien canh chi snippets", "vien cac chi snippets", "vien cao chi snippets", "vien can thi snippets", "vien van chi snippets", "vien san chi 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: (((("vien can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien can chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien can chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.