Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
thien van » thi van
cam thuc » am thuc, nam thuc, cam thu
cau treo » cau theo, cau tren, cau trieu
danh hai » dang hai, lanh hai, manh hai
vat danh » va danh, van danh, luat danh
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly hang » ly quang
van cam » van nam, van lam, van cau

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 hang ((ma hoa) or (xa hoi)). thien van cam thuc vat danh hai ((cau treo) OR (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly hang ((ma hoa) OR (xa hoi)). thien van cam thuc vat danh hai ((cau treo) OR (cau triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly hang ((ma hoa) or (xa hoi)). thien van cam thuc vat danh hai ((cau treo) OR (cau triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ly hang ((ma hoa) or (xa hoi)). thien van cam thuc vat danh hai ((cau treo) OR (cau triet))*.