Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug code slippers", "lochating bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doan thi tu snippets" » "dan thi tu snippets", "doanh tai tu snippets", "hoang thi tu snippets", "doan thi thu snippets", "doan thi cu snippets", "doan thi thuy snippets", "doan thi tu slippers"

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: (((("doan thi tu snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan thi tu snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan thi tu snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan thi tu snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.