Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den sinh cuc snippets" » "den tinh cuc snippets", "men sinh cuc snippets", "dang sinh cuc snippets", "den sinh cua snippets", "den sinh duoc snippets", "den dinh chuc 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: (((("den sinh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den sinh cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den sinh cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den sinh cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.