Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu phap ca snippets" » "hieu phap code snippets", "hien phap ca snippets", "lieu phap ca snippets", "hieu pham ca snippets", "hieu phap cac snippets", "hieu phap cai snippets", "hieu phap cau snippets"
"python using java snippets" » "python using data 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: (((("hieu phap ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu phap ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu phap ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu phap ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.