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