Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nganh xay » nganh mac, nganh y, nganh ma
cua triet » cua viet, su triet, va triet
nang xay » dang xay, nang xuan, nang cao
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
van lam » van nam
lam xuc » cam xuc, lam duoc
su xac » pu xac, su cac
xuc va » duc va, tuc va, luc va
xac ky » cac ky, sac ky, bac ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky ((nang xay) OR (nganh xay)) hoi. hieu van lam xuc va thanh vai ((cua triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky ((nang xay) OR (nganh xay)) hoi. hieu van lam xuc va thanh vai ((cua triet) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ky ((nang xay) OR (nganh xay)) hoi. hieu van lam xuc va thanh vai ((cua triet) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: su xac ky ((nang xay) OR (nganh xay)) hoi. hieu van lam xuc va thanh vai ((cua triet) or (cua tu))*.