Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao ho dong snippets" » "dao hop dong snippets", "dao hoi dong snippets", "dao hoa dong snippets", "dao o dong snippets", "dao do dong 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 ho dong 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 ho dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao ho dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao ho dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.