Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro cap du snippets" » "trong cap du snippets", "trot cay du snippets", "troi cam du snippets", "tro cac du snippets", "tro cap do snippets", "tro lap du 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: (((("tro cap du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro cap du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro cap du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro cap du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.