Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap luat voi snippets" » "dap luat voi snippets", "cap luat voi snippets", "phap luat voi snippets", "tap luat hoi snippets", "tap luat moi snippets", "tap luat vi 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 luat voi 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 luat voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap luat voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap luat voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.