Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai dat doc snippets" » "khai quat doc snippets", "cai dat doc snippets", "hoi dat doc snippets", "khai dat duoc snippets", "khai day doc snippets", "khai dat nuoc 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: (((("khai dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai dat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai dat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.