Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tho cua toa snippets" » "thao cua toa snippets", "tho ca toa snippets", "tro cua toa snippets", "tho cua toan snippets", "tho cua toi snippets", "tho cua ta 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 toa 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 toa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tho cua toa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tho cua toa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.