Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau phi hoa snippets" » "chi phi hoa snippets", "chau tho hoa snippets", "chau phi hoat snippets", "chau thi hoa snippets", "chau phi ha 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: (((("chau phi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau phi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau phi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau phi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.