Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra hao mon snippets" » "tra khao mon snippets", "tra ha mon snippets", "tra bao mon snippets", "tra hat mon snippets", "tra hau mon snippets", "tra ho mon 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 hao mon 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 hao mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra hao mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra hao mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.