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 » vu sach
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
van cam » van lam, van cau, van dam
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) OR (so sach)) ky nang xa hoi. hieu ((van cam) or (van nam)) thuc va manh hai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang xa hoi. hieu ((van cam) OR (van nam)) thuc va manh hai cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky nang xa hoi. hieu ((van cam) or (van nam)) thuc va manh hai cau treo".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky nang xa hoi. hieu ((van cam) or (van nam)) thuc va manh hai cau treo*.