Perhaps you should try some spelling variations:
chau treo » cau treo, cau theo, chau tho
thien van » thi van
cam thuc » am thuc, cam thu, can thuc
hai chau » lai chau, ha chau, hat chau
danh hai » dang hai, lanh hai, manh hai
nam thuc » nam thuoc, am thuc, nam thu
va danh » va dinh, va dan, va hanh
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang

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