Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho cua dot snippets" » "khi cua dot snippets", "tho cua dot snippets", "thao cua dot snippets", "kho cua mot snippets", "kho cua bot snippets", "kho cua dong 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: (((("kho cua dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho cua dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho cua dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cua dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.