Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tro qua cham snippets" » "tro qua hai snippets", "tro qua cac snippets", "tro va cham snippets", "tro cua cham snippets", "tro lua cham snippets", "trong qua cham 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 qua cham 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 qua cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tro qua cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tro qua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.