Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan dam hoe snippets" » "thanh dam hoe snippets", "chang dam hoe snippets", "khanh nam hoe snippets", "khan dam choi 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: (((("khan dam hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan dam hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan dam hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan dam hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.