Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri hoan che snippets" » "thi hoan che snippets", "tri doanh che snippets", "tri nhan che snippets", "tri han che snippets", "tri hoan thue snippets", "tri hoang chi 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 hoan che 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 hoan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri hoan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri hoan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.