Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huy toan cua snippets" » "huy toan code snippets", "huy tran cua snippets", "huu toan cua snippets", "huy hoang cua snippets", "huy than cua snippets", "huy tan cua snippets", "huy doanh cua 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: (((("huy toan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy toan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huy toan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huy toan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.