Perhaps you should try some spelling variations:
thien van » thi van
cau treo » cau theo, cau tren, cau triet
danh hai » dang hai, lanh hai, manh hai
cam truc » cau truc, nam truc, lam truoc
hieu van » hieu va, lieu va, hieu ve
hai cau » hai chau, hai chu, hai hau
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
su sach » so sach
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
vu sach » vu bach, vu khach

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) OR (vu sach)) ly nang xa hoi. ((hieu van) OR (thien van)) cam truc va danh hai cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ly nang xa hoi. ((hieu van) OR (thien van)) cam truc va danh hai cau treo".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ly nang xa hoi. ((hieu van) OR (thien van)) cam truc va danh hai cau treo*.