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