Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran anh hoi snippets" » "tran anh code snippets", "tran manh hoi snippets", "tuan anh hoi snippets", "tran thanh hoi snippets", "tran anh noi snippets", "tran anh hoc snippets", "tran anh khoa snippets"
"python using java snippets" » "python using data 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 anh hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran anh hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran anh hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran anh hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.