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