Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra nang co snippets" » "thi nang co snippets", "kha nang co snippets", "da nang co snippets", "tra nang cao snippets", "tra nang doc snippets", "tra nang hoc 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 nang co 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 nang co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra nang co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra nang co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.