Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
hanh dai » hanh tai, hanh dao, vanh dai
nam thuc » nam thuoc, am thuc, nam thu
sach ly » sach y, sach lo, sach ty
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
ly nang » ky nang, ly hang, ly vang
cam tu » cam thu, nam tu, dam tu
ma hoi » mai hoi, xa hoi, ma hoa
dai va » mai va

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. lieu va ((((cam tu) or (nam thuc))) or (cam xuc)) va hanh dai va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang ma hoi. lieu va ((((cam tu) OR (nam thuc))) OR (cam xuc)) va hanh dai va trien.
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang ma hoi. lieu va ((((cam tu) or (nam thuc))) or (cam xuc)) va hanh dai va trien*.