Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thiet mau co snippets" » "tiet may co snippets", "thiet hai co snippets", "thiet lap co snippets", "thiet mai co snippets", "thiet dau co snippets", "thiet au 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: (((("thiet mau 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: (((("thiet mau co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thiet mau co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thiet mau co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.