Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so trang cai snippets" » "so trang tai snippets", "so trang vai snippets", "so trang chi snippets", "soc trang cai snippets", "so trong cai snippets", "so tranh cai 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: (((("so trang cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so trang cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so trang cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so trang cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.