Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru tan chu snippets" » "tru tai chu snippets", "tru tinh chu snippets", "tran tan chu snippets", "tru can chu snippets", "tru tan phu snippets", "tru van chu 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: (((("tru tan 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: (((("tru tan chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru tan chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru tan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.