Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tinh bo snippets" » "dong kinh bo snippets", "dong tin bo snippets", "cong tinh bo snippets", "dong tinh bao snippets", "dong tinh bot snippets", "dong dinh bo 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 tinh bo 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 tinh bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tinh bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tinh bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.