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