Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao xuan cuc snippets" » "do xuan cuc snippets", "ngo xuan cuc snippets", "dao van cuc snippets", "dao xuan duc snippets", "dao xuan ruc snippets", "dao xuat cuc 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: (((("dao xuan 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: (((("dao xuan cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao xuan cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao xuan cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.