Perhaps you should try some spelling variations:
nang cau » nang cao, hang cau, nang dau
le nghia » le nghi, y nghia, co nghia
nghia tu » nghia duy, nghia cua, nghia xa
cua viet » ca viet, hoa viet, cua vat
hieu le » hieu ve, hieu he, hieu ly
hanh di » hanh vi, hanh de, danh di
hang di » hang doi, hang vi, hang dien
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang cau hoi. hieu le nghia tu va ((hanh di) or (hang di)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang cau hoi. hieu le nghia tu va ((hanh di) OR (hang di)) cua viet.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang cau hoi. hieu le nghia tu va ((hanh di) or (hang di)) cua viet*.