Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, nam duoc
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
hieu ve » hieu van
su tai » su thi, tu tai
tai ky » thai ky, trai ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
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 tai ky dang ha hoi. ((hieu ve) or (hieu va)) ((cam duc) or (pham duc)) van hanh thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su tai ky dang ha hoi. ((hieu ve) OR (hieu va)) ((cam duc) OR (pham duc)) van hanh thai cua te.
• Adding a wildcard symbol may retrieve word variants: su tai ky dang ha hoi. ((hieu ve) or (hieu va)) ((cam duc) or (pham duc)) van hanh thai cua te*.