Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoon nhat de snippets" » "hoang nhat de snippets", "hon nhan de snippets", "ho nhat de snippets", "hoon nhat ve snippets", "hoon nhat le snippets", "hoon chat deo 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: (((("hoon nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoon nhat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoon nhat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoon nhat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.