Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
lanh hai » manh hai, thanh hai, lang chai
danh hai » dang hai, manh hai, danh hau
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
ly nang » ly hang, ly vang, ly quang
lam tuc » lam thuoc, lam truoc, luat tuc
va lam » van lam, va lap
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 ((ly nang) OR (ky nang)) mai hoi. hieu va lam tuc va ((danh hai) or (lanh hai)) cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly nang) OR (ky nang)) mai hoi. hieu va lam tuc va ((danh hai) OR (lanh hai)) cau triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ly nang) OR (ky nang)) mai hoi. hieu va lam tuc va ((danh hai) or (lanh hai)) cau triet*".