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