Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hanh mo snippets" » "tran hanh code snippets", "tran thanh mo snippets", "tran manh mo snippets", "tran anh mo snippets", "tran hanh mot snippets", "tran hanh moi snippets", "tran hanh ma 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 hanh mo 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 hanh mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran hanh mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hanh mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.