Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
manh hanh » xanh hanh, minh thanh, manh huynh
nhan cua » nhat cua, nhan luc, nhan su
than cua » thai cua, ban cua, gian cua
cao duc » dao duc, cao suc, giao duc
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
sai ky » sac ky
va cao » va cac, va co, va dao
su sai » su tai, su hai, su dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky tang xa hoi. hieu va cao duc ((manh hanh) OR (danh thanh)) ((than cua) or (nhan cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky tang xa hoi. hieu va cao duc ((manh hanh) OR (danh thanh)) ((than cua) OR (nhan cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky tang xa hoi. hieu va cao duc ((manh hanh) OR (danh thanh)) ((than cua) or (nhan cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky tang xa hoi. hieu va cao duc ((manh hanh) OR (danh thanh)) ((than cua) or (nhan cua)) tre*.