Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hinh cac snippets" » "thi hanh cac snippets", "thi minh cac snippets", "thi thanh cac snippets", "thi dinh cac snippets", "thi hinh xac 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: (((("thi hinh cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hinh cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hinh cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hinh cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.