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