Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu ho cua snippets" » "khu do cua snippets", "chu ho cua snippets", "khu khoa cua snippets", "khu hoc cua snippets", "khu hoi cua snippets", "khu hoa cua 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: (((("khu ho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu ho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu ho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu ho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.