Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mao can snippets" » "nhan tao can snippets", "nhan mo can snippets", "nhan ma can snippets", "nhan mao van snippets", "nhan mao con snippets", "nhan mat can 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: (((("nhan mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan mao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.