Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"biet cua cha snippets" » "bieu cua cha snippets", "bien cua cha snippets", "biet giua cha snippets", "biet cua chu snippets", "biet cua nha snippets", "biet chua chay 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: (((("biet cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("biet cua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet cua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.