Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro hao cach snippets" » "tro nhan cach snippets", "tro phap cach snippets", "tro va cach snippets", "tro dao cach snippets", "tro ha cach snippets", "trong hao cach 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: (((("tro hao cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro hao cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro hao cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro hao cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.