Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan anh cuc snippets" » "quan hanh cuc snippets", "quang anh cuc snippets", "tuan anh cuc snippets", "quan anh duc snippets", "quan anh cua snippets", "quan canh chuc 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: (((("quan anh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan anh cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan anh cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan anh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.