Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre dao dong snippets" » "tre lao dong snippets", "tre ha dong snippets", "tre bat dong snippets", "te dao dong snippets", "tre dai dong snippets", "tre dam dong 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: (((("tre dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre dao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre dao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.