Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuong tac de snippets" » "cong tac de snippets", "luong tai de snippets", "tuong lai de snippets", "tuong tac ke snippets", "tuong tac da 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: (((("tuong tac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuong tac de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuong tac de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuong tac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.