Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac cuoi cua snippets" » "cac cuoc cua snippets", "dam cuoi cua snippets", "cac co cua snippets", "cac hoi cua snippets", "cac doi 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: (((("cac cuoi 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: (((("cac cuoi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cuoi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cuoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.