Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hang cau snippets" » "kim haeng cau snippets", "kim bang cau snippets", "kim thanh cau snippets", "kim hang dau snippets", "kim hang ca snippets", "kim nhung cau 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 hang cau 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 hang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.