Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang mau doi snippets" » "dong mau doi snippets", "dang van doi snippets", "dang su doi snippets", "dang cau doi snippets", "dang mai doi snippets", "dang mau 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: (((("dang mau 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: (((("dang mau doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang mau doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang mau doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.