Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sanh ly » sinh ly, doanh ly, khanh ly
hai chu » hai chau, hoi chu, hai chi
hoi cau » hoi chu, hoc cau, hoa cau
va hanh » van hanh, va thanh, ban hanh
so sanh » do sanh
lam tuc » lam thuoc, lam truoc, luat tuc
van lam » van nam
nang ma » tang ma, sang ma, nang cao
ly nang » ky nang, ly hang, ly vang
va danh » va dinh, va dan, dia danh
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ly nang ma hoi. hieu van lam tuc ((va danh) or (va hanh)) ((hoi cau) or (hai chu)) theo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly nang ma hoi. hieu van lam tuc ((va danh) OR (va hanh)) ((hoi cau) OR (hai chu)) theo.
• Adding a wildcard symbol may retrieve word variants: so sanh ly nang ma hoi. hieu van lam tuc ((va danh) or (va hanh)) ((hoi cau) or (hai chu)) theo*.