Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat cach noi snippets" » "vat cach noi snippets", "tap cach noi snippets", "tat cac noi snippets", "tat cach thoi snippets", "tat hanh noi snippets", "tat anh noi 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: (((("tat cach noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tat cach noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat cach noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat cach noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.