Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran oi chan snippets" » "tran si chan snippets", "tran mi chan snippets", "trang roi chan snippets", "tran hoc chan snippets", "tran hoi cham snippets", "tran giu chan 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 oi chan 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 oi chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran oi chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran oi chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.