Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khanh hoa mo snippets" » "thanh hoa mo snippets", "hang hoa mo snippets", "khanh hoa moi snippets", "khanh hoa mot snippets", "khanh hoa co 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: (((("khanh hoa mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khanh hoa mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh hoa mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh hoa mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.