Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran tren du snippets" » "tranh tren du snippets", "tran tien du snippets", "tran trong du snippets", "tran trien du snippets", "tran truyen du snippets", "tran tren dia 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 tren du 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 tren du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran tren du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tren du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.