Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nom tac dong snippets" » "nom tac dung snippets", "nom tac trong snippets", "nom ha dong snippets", "nom tay dong snippets", "nom cac dong snippets", "nhom tay dong 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: (((("nom tac dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nom tac dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nom tac dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nom tac dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.