Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban hai chau snippets" » "ban lai chau snippets", "ban ha chau snippets", "ban hat chau snippets", "ban thai chau snippets", "bang hai chau snippets", "van hai chau 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: (((("ban hai chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban hai chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban hai chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban hai chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.