Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc ma lo snippets" » "hoc ma lo snippets", "duoc ma lo snippets", "thuoc ma so snippets", "thuoc ma co snippets", "thuoc ma o 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: (((("thuoc ma lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc ma lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc ma lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc ma lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.