Perhaps you should try some spelling variations:
sang tao » hang tai
hieu van » hieu va, thien van, lieu va
su dang » su dung
cau xuc » cam xuc, cau luc, cau truc
dan toi » dan toc, dan thi, van toi
dan doi » dan hoi, van doi, quan doi
xuc cac » xuc tac, tuc cac, xuc cam
van cau » van dau, van hau, van chat
dang ky » dang y, dan ky, dong ky
nang ma » tang ma, sang ma, nang cao
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su dang ky ((nang ma) or (sang tao)) hoi. hieu van cau xuc cac ((dan doi) or (dan toi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su dang ky ((nang ma) OR (sang tao)) hoi. hieu van cau xuc cac ((dan doi) OR (dan toi)) cua te.
• Adding a wildcard symbol may retrieve word variants: su dang ky ((nang ma) or (sang tao)) hoi. hieu van cau xuc cac ((dan doi) or (dan toi)) cua te*.