Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kinh con cac snippets" » "kinh co cac snippets", "kinh mon cac snippets", "kinh can cac snippets", "kinh chon cac snippets", "kinh cong cac 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: (((("kinh con cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh con cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kinh con cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kinh con cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.