Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran luc doi snippets" » "tran duc doi snippets", "than luc doi snippets", "tran quoc doi snippets", "tran luoc doi snippets", "tran lua doi snippets", "tran luc moi 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 luc doi 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 luc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran luc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran luc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.