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