Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong va dot snippets" » "thong va dot snippets", "trong va dot snippets", "tong van dot snippets", "tong va doc snippets", "tong va do snippets", "tong va doi 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: (((("tong va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong va dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong va dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.