Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ve canh snippets" » "duc van canh snippets", "duc ve thanh snippets", "duc va canh snippets", "duc vy canh snippets", "uc ve canh 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: (((("duc ve canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ve canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ve canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ve canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.