Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cau tren » dau tren, ca tren, cau treo
danh hai » dang hai, lanh hai, manh hai
so sach » so sanh, bo sach, co sach
va danh » va dinh, va dan, va hanh
lam tuc » lam thuoc, lam truoc, luat tuc
van lam » van nam
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
cu tren » tu tren, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
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: so sach ((ly nang) or (ly vang)) ma hoi. hieu van lam tuc va danh hai ((cau tren) OR (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ly nang) OR (ly vang)) ma hoi. hieu van lam tuc va danh hai ((cau tren) OR (cu tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ly nang) or (ly vang)) ma hoi. hieu van lam tuc va danh hai ((cau tren) OR (cu tren))*".