Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy vu cac snippets" » "thu vu cac snippets", "thuy hu cac snippets", "thuy luc cac snippets", "thuy va cac snippets", "thuy tu cac snippets", "thuy ve cac 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: (((("thuy vu cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy vu cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy vu cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy vu cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.