Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran tuan ca snippets" » "tran xuan ca snippets", "tran quang ca snippets", "tran thanh ca snippets", "tran tan ca snippets", "tran tuan cu snippets", "tran thuan cam 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 tuan ca 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 tuan ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran tuan ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tuan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.