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