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