Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung sai cha snippets" » "dung tai cha snippets", "dung va cha snippets", "dung dat cha snippets", "dung lai chau snippets", "dung mai chau snippets", "dung hai chau 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: (((("dung sai cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung sai cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung sai cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung sai cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.