Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre dang mo snippets" » "tre dan mo snippets", "tre lang mo snippets", "tran dang mo snippets", "tre dang mon snippets", "tre dung mo snippets", "tre dang do 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: (((("tre dang mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre dang mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre dang mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre dang mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.