Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can sang cho snippets" » "can bang cho snippets", "san sang cho snippets", "van sang cho snippets", "can danh cho snippets", "can dung cho snippets", "can sang tao 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: (((("can sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.