Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran dao chu snippets" » "tran dam chu snippets", "tran day chu snippets", "tran dang chu snippets", "tran dao phu snippets", "tran cao chu snippets", "tran dao cau 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 dao chu 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 dao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran dao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.