Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon zu cho snippets" » "chon tu cho snippets", "chon chu cho snippets", "chon cu cho snippets", "chon uu cho snippets", "chon vu cho 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: (((("chon zu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon zu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon zu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon zu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.