Perhaps you should try some spelling variations:
lang xa » lang ha, dang xay, lang van
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, nang ma, mang xa
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
su cac » tu cac, su cao, su can
vi cuu » vi luu, vinh cuu
su sac » su sach, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) OR (su cac)) ky ((nang xa) or (lang xa)) hoi. hieu va cam luc va danh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky ((nang xa) OR (lang xa)) hoi. hieu va cam luc va danh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su cac)) ky ((nang xa) or (lang xa)) hoi. hieu va cam luc va danh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su cac)) ky ((nang xa) or (lang xa)) hoi. hieu va cam luc va danh vi cuu tre*.