Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
lam truoc » nam truoc, lam truong, nam thuoc
cau treo » cau theo, cau tren, cau triet
hanh hai » thanh hai, nhanh hai, hang hai
hai cau » hai chau, hai chu, hai hau
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
ly nang » ky nang, ly hang, ly vang
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ly nang ((ma hoi) or (mai hoi)). hieu va ((lam truoc) or (lam thuoc)) va hanh hai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang ((ma hoi) OR (mai hoi)). hieu va ((lam truoc) OR (lam thuoc)) va hanh hai cau treo.
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang ((ma hoi) or (mai hoi)). hieu va ((lam truoc) or (lam thuoc)) va hanh hai cau treo*.