Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
hieu van » hieu va, thien van, lieu va
danh hai » dang hai, lanh hai, manh hai
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
van lam » van nam
lam tuc » lam thuoc, lam truoc, luat tuc
va danh » va dinh, va dan, va hanh
hai cau » hai chau, hai chu, hai hau
ma hoi » mai hoi, xa hoi, me hoi
tuc va » thuc va, truc va, tuc xa

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 ty nang ((ma hoi) or (ma hoa)). hieu van lam tuc va danh hai cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ((ma hoi) OR (ma hoa)). hieu van lam tuc va danh hai cau triet*.