Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu dieu can snippets" » "thu dieu code snippets", "thuat dieu can snippets", "thu hien can snippets", "he dieu can snippets", "thu dieu hanh snippets", "thu tiep can snippets", "thu dieu cua 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: (((("thu dieu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu dieu can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thu dieu can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu dieu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.