Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nang cac snippets" » "thi cong cac snippets", "ki nang cac snippets", "thi hanh cac snippets", "thi nang cao snippets", "thi bang cac snippets", "thi hang cac 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 nang 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 nang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.