Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cai nam doi snippets" » "hai nam doi snippets", "mai nam doi snippets", "chi nam doi snippets", "cai nam hoi snippets", "cai nam do snippets", "cai nam 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 nam doi 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 nam doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cai nam doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cai nam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.