Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua tung ho snippets" » "chua nhung ho snippets", "huu tung ho snippets", "cua trung ho snippets", "chua tuong ho snippets", "chua trung hoc snippets", "chua trung hoa 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: (((("chua tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua tung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua tung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.