Perhaps you should try some spelling variations:
manh hai » lanh hai, minh hai, thanh hai
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
thuc va » thuc vat, thuc dan, thuc day
va manh » van manh, va danh, va hanh
hai cau » hai chau, hai chu, hai hau

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