Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, pham thu
tham thuc » tam thuc, thai thuc, thach thuc
nham thuc » nhan thuc, nam thuc, nham thu
cao hoc » co hoc, cho hoc, chat hoc
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cuu tre » cua tre, cau tren, cau treo
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang cao hoc. hieu va ((tham thuc) or (((pham thuc) or (nham thuc)))) va danh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang cao hoc. hieu va ((tham thuc) OR (((pham thuc) OR (nham thuc)))) va danh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang cao hoc. hieu va ((tham thuc) or (((pham thuc) or (nham thuc)))) va danh vi cuu tre*.