Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao hat mon snippets" » "cao chat mon snippets", "cao hoat mon snippets", "cau hat mon snippets", "cao hao mon snippets", "cao hau mon snippets", "cao nhap mon 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: (((("cao hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao hat mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao hat mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao hat mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.