Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khanh ly don snippets" » "thanh lay don snippets", "hanh ky don snippets", "doanh ly don snippets", "khanh ly dong snippets", "khanh la don snippets", "khanh ly 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: (((("khanh ly don 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 ly don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh ly don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh ly don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.