Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung tay den snippets" » "vung tau den snippets", "dung tai den snippets", "vung dat den snippets", "vung day den snippets", "vung tac den snippets", "vung tat den 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: (((("vung tay 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: (((("vung tay den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung tay den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung tay den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.