Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
dam thuc » am thuc, dan thuc, nam thuc
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
va trien » va truyen, va thiet, va tuyen
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
cao hoi » cau hoi, co hoi, cao hoc
vai va » mai va, dai va, hai va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly nang cao hoi. lieu va ((((dam thuc) or (nam thuoc))) or (cam xuc)) van hanh vai va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang cao hoi. lieu va ((((dam thuc) OR (nam thuoc))) OR (cam xuc)) van hanh vai va trien.
• Adding a wildcard symbol may retrieve word variants: su sach ly nang cao hoi. lieu va ((((dam thuc) or (nam thuoc))) or (cam xuc)) van hanh vai va trien*.