Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren dan hoi snippets" » "tren dat hoi snippets", "tre dan hoi snippets", "tren san hoi snippets", "tren dan hoc snippets", "tren dai hoi snippets", "tren dang khoi 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: (((("tren dan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tren dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren dan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren dan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.