Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac den hoc snippets" » "tac de hoc snippets", "tat den hoc snippets", "thai den hoc snippets", "tac dien hoc snippets", "tac dan hoc 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: (((("tac den hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac den hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac den hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac den hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.