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