Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua hat chau snippets" » "bua ha chau snippets", "bua lai chau snippets", "bua hat nhan snippets", "qua hoat chau snippets", "bui nhat chau snippets", "qua nhat 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: (((("bua hat 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: (((("bua hat chau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua hat chau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua hat chau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.