Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac giay den snippets" » "cac giai den snippets", "cau giay den snippets", "cap giay den snippets", "cac giay van snippets", "cac day den snippets", "cac gia de 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 giay den 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 giay den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac giay den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac giay den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.