Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong va chap snippets" » "dung va chap snippets", "dong ha chap snippets", "luong va chap snippets", "dong va phap snippets", "dong va cham snippets", "dong va chat 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 va chap 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 va chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong va chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong va chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.