Perhaps you should try some spelling variations:
"khong mong o snippets" » "khong dong o snippets", "khong xuong o snippets", "khong trong o snippets", "khong muong o snippets", "khong hmong o snippets", "khong mong do snippets"
"python using java snippets" » "python using data 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: (((("khong mong o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khong mong o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khong mong o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khong mong o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.