Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac chu chan snippets" » "tac chu han snippets", "tac chua chay snippets", "tac chu van snippets", "cac chu chan snippets", "tac cho chan snippets", "tac phu chan 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 chu chan 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 chu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac chu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.