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