Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cau thuc » cau truc, cuu thuc, can thuc
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
le cua » ly cua

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

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