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