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