Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"som hoi cham snippets" » "som hoi chuc snippets", "som hoi chu snippets", "som toc cham snippets", "som voi cham 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: (((("som hoi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("som hoi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( som hoi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("som hoi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.