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