Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
cua triet » su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
cua viet » ca viet, hoa viet, cua vat
xuc dang » xu dang, nuoc dang, su dang
hieu van » hieu va, thien van, lieu va
vu sach » vu bach, su sach, vu khach
lam xuc » cam xuc, lam duoc
ly nang » ky nang, ly hang, ly vang
van lam » van nam
y nang » ky nang, v nang, may nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((y nang) or (ly nang)) ma hoa. hieu van lam xuc dang thanh lap ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((y nang) OR (ly nang)) ma hoa. hieu van lam xuc dang thanh lap ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ((y nang) or (ly nang)) ma hoa. hieu van lam xuc dang thanh lap ((cua triet) or (cua viet))*.