Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu tac can snippets" » "khu tap can snippets", "khau tai can snippets", "chiu tac can snippets", "khu tac van snippets", "khu tac quan snippets", "khu tac vang 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: (((("khu tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.