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