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