Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh va du snippets" » "tinh va du snippets", "sinh va du snippets", "sinh vat du snippets", "minh va dau snippets", "minh va su snippets", "minh va tu 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 va du 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 va du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh va du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.