Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don bay cao snippets" » "dong bac cao snippets", "dong ban cao snippets", "dong bao cao snippets", "don bao cao snippets", "don tay cao snippets", "don bay cam 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: (((("don bay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don bay cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don bay cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don bay cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.