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