Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy chi ca snippets" » "thu chi ca snippets", "thuy khi ca snippets", "thuy thi ca snippets", "thuy chi cua snippets", "thuy chim ca snippets", "thuy chi 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: (((("thuy chi 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: (((("thuy chi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy chi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.