Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran hai mo snippets" » "tran bai mo snippets", "tran chau mo snippets", "tran nhat mo snippets", "tran hai moi snippets", "tran khai mo snippets", "tran hai so 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: (((("python using java snippets") or ("tran hai mo snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran hai mo snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tran hai mo snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tran hai mo snippets"))) or ("locating bug code snippets"))*.