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