Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim tung ho snippets" » "kim dung ho snippets", "kim sung ho snippets", "kim thuong ho snippets", "kim tuong ho snippets", "kim trung hoc snippets", "kim 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: (((("kim 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: (((("kim tung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim tung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.