Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc va son snippets" » "nuoc van son snippets", "nuoc va con snippets", "nuoc va san snippets", "quoc va son snippets", "duoc va son snippets", "ngoc va son 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: (((("nuoc va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nuoc va son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc va son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.