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