Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu nano ca snippets" » "hieu nano code snippets", "lieu nano ca snippets", "hieu nganh ca snippets", "hieu van ca snippets", "hieu nano cau snippets", "hieu nano va snippets", "hieu nang cao 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 nano 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 nano ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu nano ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu nano ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.