Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"va khai cua snippets" » "va thai cua snippets", "va hai cua snippets", "va khi cua snippets", "van khai cua snippets", "va khao cua snippets", "va kha cua 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: (((("va khai cua snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va khai cua snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
• Removing quotes may allow a broader search: (((( va khai cua snippets ) or ( python using java snippets ))) or ( lochating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va khai cua snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.