Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vun cho cuoc snippets" » "vun cho duoc snippets", "vun cho cac snippets", "vun cho hoc snippets", "vung cho cuoc snippets", "van cho cuoc snippets", "vu cho cuoc 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: (((("vun cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vun cho cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vun cho cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vun cho cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.