Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri chao chu snippets" » "tri chat chu snippets", "tri cham chu snippets", "trinh chao chu snippets", "tri cho chu snippets", "tri cua chu snippets", "tri cao cho 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: (((("tri chao 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: (((("tri chao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri chao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri chao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.