Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon ma cua snippets" » "chong ma cua snippets", "chon va cua snippets", "chong mai cua snippets", "chon ca cua snippets", "chon manh cua snippets", "chon mang 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: (((("chon ma 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: (((("chon ma cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon ma cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon ma cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.