Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho cua cu snippets" » "thao cua cu snippets", "tho ca cu snippets", "tro cua cu snippets", "tho cua chu snippets", "tho cua su snippets", "tho cua co 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: (((("tho cua cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tho cua cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho cua cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho cua cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.