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