Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong ky chat snippets" » "duong ky chat snippets", "hong ky chat snippets", "dong y chat snippets", "dong ly chat snippets", "dong ky chau snippets", "dong ky nhat 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: (((("dong ky chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong ky chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong ky chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong ky chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.