Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao phu nom snippets" » "dat phu nom snippets", "dao phat nom snippets", "dao khau nom snippets", "dao chu nom snippets", "dao phu nong 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 phu nom 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 phu nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao phu nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao phu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.