Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac phap chu snippets" » "tac pham chu snippets", "tac phat chu snippets", "tay phap chu snippets", "tac phap chua snippets", "tac phap chuc snippets", "tac phap che 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: (((("tac phap chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac phap chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac phap chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac phap chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.