Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
manh hanh » xanh hanh, minh thanh, manh huynh
phan cua » nhan cua, than cua, phat cua
cua tre » cua te, cuu tre, cua triet
cam duc » cam xuc, cao duc, pham duc
hieu va » hieu qua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
sai ky » sac ky
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) or (lieu va)) cam duc ((manh hanh) OR (danh thanh)) phan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky tang xa hoi. ((hieu va) OR (lieu va)) cam duc ((manh hanh) OR (danh thanh)) phan cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky tang xa hoi. ((hieu va) or (lieu va)) cam duc ((manh hanh) OR (danh thanh)) phan cua tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky tang xa hoi. ((hieu va) or (lieu va)) cam duc ((manh hanh) OR (danh thanh)) phan cua tre*.