Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
cam truc » cau truc, nam truc, nam truoc
va dinh » van dinh, va kinh, va tinh
va danh » va dan, va hanh, dia danh
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
cao hoi » cau hoi, co hoi, cao hoc
sai ky » sac ky
vi cuu » vi luu, vinh cuu
tu sai » tu bai, tu san, tu cai

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 hoi. hieu va ((cam truc) OR (lam truoc)) ((va danh) or (va dinh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang cao hoi. hieu va ((cam truc) OR (lam truoc)) ((va danh) OR (va dinh)) vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang cao hoi. hieu va ((cam truc) OR (lam truoc)) ((va danh) or (va dinh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang cao hoi. hieu va ((cam truc) OR (lam truoc)) ((va danh) or (va dinh)) vi cuu tre*.