Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viec va can snippets" » "vien va can snippets", "viec cua can snippets", "viec va chan snippets", "viec va cac snippets", "viec va cao 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: (((("viec va can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viec va can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viec va can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viec va can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.