Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung va moi snippets" » "dung va moi snippets", "luong va moi snippets", "duong va moi snippets", "vung va mot snippets", "vung ve moi snippets", "vung va mo 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 va moi 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 va moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung va moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung va moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.