Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vong cua chi snippets" » "cong cua chi snippets", "dong cua chi snippets", "song cua chi snippets", "vong cua chu snippets", "vong ca chi snippets", "vong cua cha 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: (((("vong cua 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: (((("vong cua chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vong cua chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vong cua chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.