Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra ha can snippets" » "tra chat can snippets", "tran hai can snippets", "trang ha can snippets", "tra hau can snippets", "tra ha canh snippets", "tra ha van 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: (((("tra ha 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: (((("tra ha can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra ha can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.