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