Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim mong cai snippets" » "kim jong cai snippets", "kim huong cai snippets", "kim seong cai snippets", "kim cong cau snippets", "kim cong cac snippets", "kim dong cac 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 mong cai 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 mong cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim mong cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim mong cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.