Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong sat che snippets" » "duong sat che snippets", "dong san che snippets", "dong vat che snippets", "dong sach che snippets", "dong sang che snippets", "dong hat cheo 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 sat che 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 sat che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong sat che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong sat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.