Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau tac can snippets" » "khau tai can snippets", "cau thac can snippets", "chau bac can snippets", "hau tac van snippets", "hau tac quan snippets", "hau 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: (((("hau 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: (((("hau tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.