Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc son cuc snippets" » "cuoc song cuc snippets", "nuoc song cuc snippets", "quoc toan cuc snippets", "quoc so cuc snippets", "quoc song cuoc snippets", "quoc song cua 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: (((("quoc son 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: (((("quoc son cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc son cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc son cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.