Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day sang cho snippets" » "duy sang cho snippets", "day nang cho snippets", "lam sang cho snippets", "day danh cho snippets", "day dung cho snippets", "day 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: (((("day 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: (((("day sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.