Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kham pham o snippets" » "kham pha o snippets", "khanh pham o snippets", "khai pha o snippets", "kham pham mo snippets", "kham pham _ snippets", "kham cham o 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: (((("kham pham o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kham pham o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham pham o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham pham o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.